Give mentors more rewards to abuse the system? That's smart

You want to weed out some of the bad apple mentors? Remove any and all rewards for being a mentor. Sure there will be some that will keep the crown as a status symbol but with no rewards to gain from it you'll likely see an increase of real mentors that just simply enjoy helping people.

I'm a mentor and I think this, I also don't have the mentor roulette unlocked simply because there is still content I need to get cleared to unlock it. I became a mentor because I enjoy helping people not for the rewards that are given, up until I darted seeing the mentor posts I didn't even know there was rewards because there wasn't any rewards for being a mentor in ff XI