Also, there's always the saying, Love It, Leave It, or Change It. If someone loves YT but has a very serious problem with some aspect of it, I think it would be worth it to suggest changes. This is just off the top of my head, but couldn't people lobby to only make puppy sales allowable from YTCA members? Or perhaps that wouldn't work if advertising is not allowed.
Given that there have been some very ugly threads involving disputes over yorkies sold here, I would see that as a legitimate possibility.
I have to admit I'm really curious about what these super controversial topics are... any chance you'd PM me?