I think the biggest mistake of the last decade was actually getting Conley in the first place. The front office spent quite a few assets on the over-the-hill small point guard, including Grayson Allen who would have fit so well going forward. At the Jazz Conley has been either hurt when it counted, or, when healthy, being a poor fit with Mitchell in the tiny no-defense backcourt. This doomed the Gobert-Mitchell Jazz teams. Finally, when the Jazz decided to blow the team, they, predictably, got very little value back by trading him.