It is punishment in terms of operant conditioning. As that comment also suggested, you should really educate yourself on the four quadrants of operant conditioning before arguing and accusing people of saying you abuse your dogs.This is a comment that suggests telling my dog "no" is punishment.
It seems like you think that treat training is the "cure all" magic training trick. Do you think that there are dogs who are too dangerous and too much of a liability to be rehabbed? I'm just asking this question out of curiosity.
I'm not implying that...i just asked a question. And resorting to name calling doesn't help or solve anything, it only shows your character, or lack of.