[PapaBear3625]

And those stereotypes that people hate, they don’t start in a vacuum.

What some people deride as "stereotype", other people see as an observation of statistically-significant behavior in the described group.

[Lonesome in Massachussets]

Prejudice is another word for generalization. We all make generalizations, adopt “stereotypes” as working models, because they work, give a generally accurate picture of the real world and they allows us to make useful decisions.