Why does MJ Start over XSF?

[CJD]

Injuries are bad luck, but the chances of that bad luck increase when certain factors are tweaked. Such as the quality of the players around them and the play calling.

At this point I'm not sure why MJ is still starting. It may just be stubbornness on the coaches' part because they traded up to draft him, so he must be good (in their eyes, because they think they're actually good coaches). Of course, if they took some time to self evaluate, they'd probably end up just quitting because their ineptitude is so blatantly obvious the only way they couldn't agree is bias/lack of self awareness.