You don’t need to insert your will onto others.
You don’t need to oppose others whose way of life you disagree with.
Saving face and saying nothing often conserves a lot of emotional and cognitive energy for everyone involved.
Pick your battles carefully, you don’t need to fight every-one, nor do you need to be a bystander to any. Conserve your energy and time for the wars you won’t have a choice to fight.
How do you know which battle is worth fighting?