Why is it ok to be sexist to all of the Bernie Supporters?

[winter is coming]

3. It's a common internet ploy.

Accuse someone of something unpleasant (often something you yourself are guilty of), and when you've made them angry, act all hurt and much maligned by their response, using that as "proof" that you were right in the first place.

Lather. Rinse. Repeat. It eats up time while drawing attention away from anything of substance. Sometimes it makes the atmosphere so toxic that no meaningful discussion at all is possible. Basically, if there's nothing you won't stoop to, it's easy to derail a discussion.