its not just the head flopping. its him lowering his shoulder or back side into a defender in legal guarding position and then flopping. this is very different than being on a straight line drive, and flopping your head because you were cut off by a defender who is not in legal guarding position.
A maaaaaaaaasive % of Brunson's highlights are just him pushing guys around with no call.
Full credit after he shoves the guy or bowling balls him with his shoulder, he's about the best I've ever seen at actually making the pull up shot.
The only thing I can remember as comparable is when Wade was in his prime they'd talk about how he was the greatest shot blocking guard of all time, they'd show a highlight of like 20 blocks in a row, and on all 20 "blocks" he's just felony assault on the shooter with his other hand.