The problem is talent and reps. It's hard to get enough reps for the DL reading every type of block and then every decision a RB makes on top of that on a limited schedule (unlike the NFL). To compound that, our NT is a senior who has practiced (time wise) the reps of a sophomore in this system. Dude was missing time every year that was critical to him getting the reps needed to play effectively in this system. That's why Stanford under Fangio was succeeding with it: they had guys who had five years worth of reps starting, who were built for that system. We have a 4-3 DE playing 3-4 DE, a 2-star last minute addition in OP, and a senior who hasn't practiced or played a full season in like 3 years.
These aren't excuses for us to keep the system. The system is based on the idea that we need to run it b/c simpler methods can be exposed by elite QBs. But in college it is rare to EVER play a QB that requires such complexity thrown at him. It's a waste of time to run this kind of defense in college. But don't make idiotic statements or inferences that our coaches don't know what pattern matching is, or how to properly coach 2 gap DL. It honestly comes off as immature, jealous, and foolish.