Patience primarily. But if it’s important or someone is going to get hurt, I’ll speak up. You don’t want to be that guy that is always trying to tell them they are wrong. No matter how helpful it could theoretically be, that isn’t how psychology allows that interaction style to go. Pick your battles so they are ready and willing to hear you the times when it really matters.

Eventually, hopefully they will start asking your opinion. But yeah, the most important ingredient is that they aren’t annoyed by you first.