Even up to the end of last season there were Bears players who wanted the team to keep rolling with Fields. So, maybe the players allow too much of Fields the person to override their assessments of him as a QB. Who knows.
But, SF really missed the boat here. They obviously prioritized CMC which they should, as now that Trent wants his contract redone, as he has no more guarantees left, they are in tough with trying to hold Aiyuk at his 5th year option. Should have made the move earlier at the draft. Down to Deebo and Jennings as their 2 top WR. Rookie Pearsall is hurt to start camp and the depth chart is all youngsters with next to no NFL experience, save for Chris Conley, formerly of the Chiefs. They will be fine for most of the season without Aiyuk, but probably have to go shopping for a WR come the TDL if one of the kids doesn't step up.