NO QB has a good game every time. Mahomes' completion percentage and passer rating were still better than Justin Fields' numbers. And people call Fields game an improvement of sorts and Mahomes' game as a disaster. Let that sink in.
My only point is that the best QB in the league has been on a declining trend this year and had an awful game yesterday, at home, on Christmas, against a pretty bad team. Why? Why are the Chiefs not winning as often? Why are Mahomes numbers this year the worst of his career? He still has Kelce who is one of the best TE of all time.
Point being that yes, duh, QB is important, but at the NFL level you need more.
The notion that simply replacing Fields will suddenly make the Bears contenders doesn’t seem reasonable to me. There are still too many areas of need. Maybe it’s long term Bears fan QB pessimism, but I’d rather they not draft QB #1 overall given both their historical QB track record and the historical bust rate of first round QBs in general.
They need D-line and edge rushers. They need at least one other legit pass catcher. They need to improve to O-line. They need a better play caller.