I think this one's on ownership. Giving a GM like BC 2 short seasons to get your team to show solid, measurable growth is tough. Doing it while trying to climb out of the basement, without a real franchise player and without the pick to land one, while heading into a tightening financial situation, puts BC right back where he was with Bosh, only with less talent and yet another rookie coach/system/roles/required practice time. To a guy that likes to take risks and move pieces around rather than let things develop, that's a good reason to deal and hope it works out.
Could be a crazy couple of years.