It's not Bevell's fault that the OL is missing assignments and is really raw. Cable is in charge of the OL. That said:
When you have 4 and 1, on your own 35 and it's late in the 4th quarter...the game is literally on the line. You've been getting our ass handed to you all day on run plays. So you call a run play...but they know you can't run it. So hey, let's call a read option keeper, because that will take them by surprise.
Let's not run play action to a TE, or hey, just throw it to Graham and let someone try to stop it. The guy is literally unstoppable at the LOS. That's a play call on Bevell's fault. It led to a FG....not the defenses fault as the Cards were given the ball in FG range already.
He's still situationally terrible. He's also bad at making in game adjustments. Our halftime adjustments are very good, but we very rarely make good adjustments from the 1st to 2nd quarters.