This is essentially how I feel about Adrian, too.
I remember the drive (I think 2nd quarter) where Adrian came back in. Jurgens had done well the previous two drives with Luke, but then sent two wild snaps to AM on this particular drive, one of which set up a 3rd and 23. The look on AM's face when he climbed up from the ground was a 'I don't know what I'm supposed to do here.'
AM certainly has his own struggles, but it's a lot to ask him (or really any QB) to make up for the all the mistakes and errors happening elsewhere.