Why the angst bro?You must have me confused with someone who cares about convincing you.
It was game 1 after very few live reps in the preseason against a tough defense coached by arguably the best coach of all-time who had the entire offseason to scheme. If you can't enjoy that and feel the need to look for disappointment or nitpick, that says more about you than anything else.
The full back position was originally designed as a lead blocker in a wishbone type offense. Im not sure why youre so upset, but youre wrong.