They are very quick to make jokes of your mistakes or shortcoming. The way they pry and tease is the manifest of how exceptional they think they are. They believe they are above social norms. Being nice is for the weak and unenlightened mass. They have an opinion, they will have you know.
They deliberately choose to ignore and not understand why making certain remarks and some conversation topics make people uncomfortable. And when they want to insult you, they will insult in the most uncivilized way. When they want to hurt you, they simply do not understand when a line is crossed.
And I am sure they are not the minority. Even if they are, they are the loud and obnoxious minority that gives everyone a bad name. I absolutely understand why people decline to be part of that community, why there aren't as many females in that workspace. Stigmas and stereotypes are for a reason.