I've been in teams like this - people who are lower on the chain of power get run in circles as they change to appease one, then change to appease another then change to go back to appease the first again.

Then, going through their code, they make excuses about their code not meeting the same standards they demand.

As the other responder recommends, a style guide is ideal, you can even create an unofficial one and point to it when conflicting style requests are made