I’ve written many articles about the importance and how to of rapport.
The trick is to be able to create rapport consciously so that you can also break it: no one needs another yes man.
But we also don’t need any more abominable no-men.
You don’t have to think like them. The dangers of Group Think are well documented. What can make you different and special and useful to a team is your outsider status. Or your insider status.
Keep what’s different about you, but fit in.