They are emulating other men in their life.
Alpha males make a point of cutting down others to ensure their superiority. Men who want to be alpha males behave the same way. Most men belong to one of those categories.
In any case, men that speak out (even in negative ways) receive more attention from females than men who say nothing.
Making any statement opens one up to scrutiny, so many men will instinctively make a statement that disparages someone else to redirect the scrutiny away from themselves. |