Gus is like an old clown uncle, and without a Cam Newton type QB he will be inconsistent. Heupel was unappreciated by UCF fans because they loved Frost so much and Frost was a more dynamic and more aggressive play caller than Heupel. He had a killer instinct. Frost just had a great feel for the players and plays with more vertical attacking and usage of the entire field where as Heupel tends to play wide with a shorter passing game and safe vertical throws. Both are good, but Frost imo can be super special with FL type talent.
Frost was also building a beast team with recruiting. Heupel isn’t a recruiter, but his style will attract talent