For the team? For the influence? There used to be a time when people could work across the aisle.
You can have beliefs, but you also must have heart and a brain to open your world view to other perspectives. This is what being an adult is all about. Not this crap that we see today.
I would suggest that at those times it's when the structure of achieving the same common goal was at stake.
Disagreements on the best day to provide services to the public are still attempting the same common objective.
Disagreements on which people will have their rights removed are not a "let's agree to disagree" sort of thing.