Believe there's a legitimate question of whether the best 5 included Connor Williams. Believe there's also a legitimate lack of actual, solid insight into whether it didn't... we don't see what they see in practice... and no one's asked any of us to be a line coach, an OC or a HC, so the idea that any of us have some reason to believe ours is a superior insight and reasoning, that's just bluster and a petty lack of intellectual humility talkin. Speculation is fine as long as it's understood as just that.
Regardless, I don't think we need to replace the HC, nor the OC, nor anyone else... the simplest explanation for why we're not still playing is, imo, the best one... we simply didn't have consistency of push nor protection at LG and C, and worse, the penalty situation at LG specifically was, of course, damning.
That was a player problem.
Perhaps it may have been resolved with moving La'el. Maybe. Maybe not. Perhaps it may have been resolved before the trade deadline. Maybe. Maybe not.
And now, the roster unavoidably is going to take a severe flip between now and game one of 2022, so it's not even necessarily so simple to resolve for 2022 given the other potential areas of need.
But the point remains... the failure to advance in the 2021-22 playoffs can be mostly attributed to the failure to remedy that one place on the depth chart.