Dehlin makes no sense, as he's not seen negatively in general, he's just a within-the-church boogeyman

And Ballard would be tough because there's still a lot of people out there who believe (despite evidence to the contrary) that he's a hero who was just railroaded.

Daybell is recent, universally seen as despicable, and his actions are more connected (even if unfairly) to the LDS faith, which is obviously a large part of the mission of BYU