What role do personality and charisma play in political opposition, especially in the case of figures like Trump?

Why is Joe Biden still not in jail for controlling Donald Trump and making him do dumb decisions just so Democrats can pretend that he's incompetent?
Do people triggered by an American Eagle jeans ad, drink Bud Lite from a straw, while crying and screaming Nazi propaganda for their masters, like ignorant slaves?
Why do you think some people still make hurtful comments about skin color, even among friends, and how do you handle those situations?