He can chew scenery with the best of those classically trained Brits (Ian McClellan, Branagh, Olivier, etc), see: Star Trek Into Darkness lol, but the thing I love about him is he can also be incredibly subtle, just the slightest movement of his eye or mouth (even his nose!), or a twitch of his hand, all within the same character. Maybe they don’t like him b/c when he’s onscreen you CANNOT take your eyes off him. He commands the screen, large or small and the camera loves him. Maybe they think his natural power & charisma is overacting?
There is a piece by The Los Ángeles Time theatre critic about it: young British actors having the ability of doing both, the classical theatrical stuff like Ian McKellen or Maggie Smith but also something that those great actors doesn’t do: going cinematographically “American” because they are also influenced by movies and yeah, he used BC as an example.
There is also an old British actor who said something similar and claimed that’s why young actors like BC are superior to his generation! I don’t remember who was but probably the quote is here somewhere. I will try to find it!
It was Phillip Voss,
I am full of admiration for young actors- Colin Morgan, James McAvoy, Ben Chaplin... I just marvel at them! People like Al Pacino and Robert De Niro are brilliant, but they became a little bit of a parody of themselves. Marlon Brando was a revelation to us all, but now you look at and it seems a bit mannered. Whereas nowadays with the likes of Benedict Cumberbatch, there's no barrier between them and the camera; you can just read what they're thinking.
Oh, I didn’t knew that Voss died last year from COVID-19. So sad!
But in more positive theme, I also loved this recent quote by Simon Callow,
When I ask Callow who he thinks are the best performers around today, he answers almost without hesitation. ‘Last night I had a chat with Benedict Cumberbatch and I do think Benedict is an utterly extraordinary actor, very remarkable and very original and very distinct. Quite unlike anybody else who has ever been before him.’