A couple of things are obvious in the NFL. Good head coaches and Top 10 QBs make a massive difference. If you're a smart NFL executive, finding those are your primary responsibility and you don't stop until you find one of each. You make the change as soon as you know you don't have one. If you have locker room dysfunction or players are unhappy and don't know what's going on, you don't have a good head coach. If you have fans arguing over who should be the QB or there is a QB competition, you don't have a QB. We know these things intuitively.
I feel like Loomis has diligently tried to find a QB in free agency to no success. He's brought in quite a few veteran QBs that flamed out on other teams. He has not sought out a QB in the draft, which is where most good QBs come from. He's tried to replicate the Drew Brees luck and keeps failing.
With coaches, Loomis was lazy and in a way took the opposite approach to finding a new coach to how he found Payton. Payton was smart, but an unproven gamble. DA was a known commodity and not the good kind. Loomis barely even looked at young coaches that were unproven gambles and decided on reliably bad.
Yes, this team could go through several coaches and several flamed out drafted QBs, but we're not turning this team into a perennial playoff teams until we get on with it. DA/Pete and Carr/Winston aren't going to get us there. We all know it and for some reason Loomis is denying he knows it.