I'm so sick of all this crap we are hearing about how complex the system is and how it takes a full year to learn it. I get the concept, but that's just the tip of the iceberg.
First off, like with new qbs, you don't just throw the whole playbook at them at once. This allows the player to learn and get more comfortable with it. Why is this any different? If the players aren't getting it, scale it back until they do. Seriously, after 3/4's of a season, now you get it?
Then there's the second patriots game where we confused and hit the ever loving **** out of Brady. What, we magically figured it out? We haven't seen that scheme since. Did Rex dumb it down and then go right back to his complex playbook. Did the players just check back out?
Either way, we saw proof of what the defense could do for that one game so we knows what's possible.
This only leaves me with the conclusion that Rex didn't put his team in the best position to win via scheme.