It seems you have an odd system of weighting where college kids policing language is weighted very heavily, and elected officials committing and advocating violence to further political goals weighs very lightly.
I'm beginning to suspect your analysis is more driven by how you feel than tangible consequences.
Not to my knowledge. Are you talking about when he (perhaps jokingly) said:
> So if you see somebody getting ready to throw a tomato, knock the crap out of them. I will pay for the legal fees.
Biden could say that at a state dinner and nobody would blink twice