"I can understand the black position that this is a racist attitude, but it's not unrealistic."
After 33 Na4, the black position was a mess.
But it was not easy to penetrate the black position.
Black's 6 a6 kept a knight from leaping into the black position.
Indeed, after 26 Nc5, the black position was held in a vise.
Then, too, it is hard for White to find a point of attack in the black position.
At least, that would give Ponomariov something to think about without creating any new weaknesses in the black position.
After 21 Rab1, Benjamin had the black position in a serious clamp.
White's plan is to lure this advance early, when it cannot be backed up by an attack and could loosen the black position.
With 21 Qc5, the invasion of the black position began.