The ex-MUFC coach has been doing a lot of talk recently since leaving the club at the end of last season.
Not so long ago, he spoke to Portuguese outlet ZeroZero about his time at United and came out with some eye-opening accounts. Read the story here.
He's now come out with some more interesting quotes whilst conducting an interview in his native South Africa.
Chatting on SuperSportTV, McCarthy spoke about Erik ten Hag and his attention to detail; a perceived lack of ambition from the United players; that there's something missing when it comes to why United are performing poorly; the quality of training; and his relationship with some of the players.
One of the more interesting things he had to say was regarding our number 10 Marcus Rashford.
McCarthy reveals that when it came to his relationship with the 26-year-old he was just completely honest with him about everything and that rather than hearing what he truly needed to, Rashford instead was told what he wanted to hear.
"I was a straight shooter, and he probably didn't have enough people in his life that is straight with him, because everyone tells him what he needs to hear, and what he wants to hear, because of who he is. I was normal, and he appreciated that."
This could be another case of someone surrounding themselves with the wrong person/people. Telling you what you want to hear may sound good but compared to what you need to hear, which can be brutal, the latter actually benefits you more than the former.
Rashford has performed terribly for a long time and despite being amongst the goals and assists this season (4 goals and 2 assists) his overall performances have been very disappointing.
These displays have continued from last season where his dropoff from the season before was completely unforeseen given how contrasting the two campaigns were.
But when looking at season 22/23, that was his best-ever year in a United shirt as the wide forward racked up a total of 41 goals and assists, 30 of which were goals. For most strikers, a season like that will be amazing let alone one for a wide forward.
This was also the first season of McCarthy at United. Could there be a direct correlation with what the former coach said and Rashford's form that season?
Perhaps, but what about last season as McCarthy was still part of Erik ten Hag's coaching staff as Rashford had a complete fall in terms of his performances?
Maybe Rashford just needed that someone to tell him directly what they thought about him rather than like McCarthy said, tell him what he wanted to hear.
This could be the reason as to why Rashford appreciated McCarthy so much as he [Rashford] may have not had someone like that before. This would've been a different approach to him than what Rashford may have experienced in the past and that change could be the reason as to why he had such a great season two years ago.
But then why did last season go as it did?
To be fair to Rashford, he did pick up some injuries that would've caused some problems on the pitch and he also wasn't the only one who struggled and underperformed last year. Everyone was injured at some point and all performed poorly.
The same could be said of this season so far in terms of those performances from everyone yet Rashy has still managed to be quite involved up front.
With Ruud van Nistelrooy there, hopefully he can use what McCarthy said as a way to help Rashford and all the squad in trying to get the best out of them. I've no doubt though, that Ruud would have his own ideas on how to communicate with the players.
This is why it is really important to surround yourself with the right people. You can be the greatest in whatever profession but with the wrong people around you, things can go quickly awry.
I'm not saying that this is exactly what's happening to Rashford or what's happened to him in the past, this is just based on what McCarthy had to say. This is also just a gut feeling that Rashford is surrounded by the wrong crowd that do influence him and leech off of his successes. Again, this isn't concrete as there's no evidence to suggest that this is true, it's just my own personal feeling.
In saying all this, Rashford has to take the responsibility onto himself. If he does have people like this in his life, he needs to remove them. And regardless of whether he does or doesn't, he just needs to be strong mentally and focus on what he has to do and try to find the form he showed two seasons ago.
When he's playing like that, then he needn't worry about anything.
The manager also has to step in and help him as much as he can. Erik ten Hag is known to be a big admirer of Rashford's and has given him every opportunity to play at his best.
This season though, there's been a bit of an uexpected change in this area. ten Hag hasn't been shy in replacing or dropping/rotating him, something which he didn't do in the past.
ten Hag is also doing it at a time when Rashford is showing signs of improvement. Rotating him, as the manager calls it, when he scored 3 goals in two games was silly and then subbing him at halftime at Porto where he scored and assisted and was our biggest threat going forward, was an even worse decision.
These sort of things don't help a player like Rashford as he looks to be a confidence player. When he's on a roll, keep it going. When he isn't, perhaps that is the time to take him out of the firing line.
But very interesting to hear this from McCarthy who worked closely with Rashford and the other forwards as the South African was the striking coach for two seasons at MUFC.
His full interview can be watched on the SuperSport YouTube channel.
Background Images: Marcus Rashford scores twice against Arsenal in a 3-1 win (22/23) | Image credit: Getty Images via Goal
Benni McCarthy at Man Utd (23/24) | Creator: Matthew Peters | Credit: Manchester United via Getty Images - SuperSport