What's a BSB opinion you'll defend like this?

I'm beyond curious. It doesn’t necessarily have to be an unpopular opinion, rather one you have a lot to say on etc.

e.g.

I think AJ is the best Backstreet Boy because of his stage presence, dancing and vocals. Whilst Brian in his prime was heavenly, AJ always came close and has unique features to his voice, he can hold a note very well and always has emotion. You feel what he feels. His dancing is obviously the best, I don’t believe that that’s up for debate and stage presence comes naturally to him.