He has acknowledged, as has the BBC article, that the views he hold are not those commonly held by other historians,
Now you are just blatantly lying.
Both of those statements are lies.
Why are you people so driven to win that you do that?
Liar!

In the hypothetical case that Sheffield did back your argument

Nothing hypothetical.
I can provide quotes for my 3 points again if you like.
Can you provide one quote that contradicts?
NO!
Not even when I offered to quit.
You lose.