Just a quick not friendly reminder: someone who has apologized for past mistakes, made amends for past actions, and clearly no longer holds past beliefs, is a far better person than one who digs up old dirt and uses a person’s past that no longer exists against them.
If you are hell bent on sorting every person in the world into groups of either “has done something problematic” or “is ideologically perfect and has never made any bad decision” then ever person into the world is going to get sorted into the problematic group. The sooner you acknowledge this truth, the better.
That doesn’t mean accountability doesn’t exist. That doesn’t mean there aren’t unforgivable wrongs. It just means that people are human and therefore make mistakes. Refusing to acknowledge that nuance makes you delusional, not morally superior.
We don’t punish the behavior we want to see. We want people to grow and mature and become better. It’s a good thing for people to change their mind and be better.