I would hope you would stay. Stick around and see what happens.
Look at it like eating with your in-laws. You may not agree with everything, or many things they do, but you can all agree their daughter is wonderful.
Discuss what you like to discuss, avoid what causes contention. Everyone has to do this to some extent. This is an internet forum, it is about the community.
This too will pass.
I don't believe that is an option.