Bernie's supporters are very passionate and also angry at the status quo. Nothing will change without that dynamic and then some. Now is not the time to be sensitive of others. Now is the time for action fueled by anger. It sounds scary but change will not happen without passion. Passion and anger are the fuel to change. Bernie does not encourage rudeness but puts a light on injustice.

That's so dumb... Trump supporters fly the nazi flag at Bernie's rallies!

Stupid

All of the candidates have supporters who have expressed hate. Even Pete and Amy supporters have laid into AOC and the 'squad.'
The racism and hate online is everywhere and not limited to these Bernie supporters.

There are also Bernie people who do and say wonderful things and care deeply for America and its citizens. I don't even live in the US and I'm one of them. Is Bernie responsible for me and all those people, in that case?

It may be difficult for you, but you should try thinking before you feed this ridiculous nonsense.