Agree.
Vrabel and crew are not pulling out gadget plays or anything fancy. Just running on a suspect run defense and keeping the down and distance manageable, going after Cam and Taron when needing a few yards (as most teams have), and not making a lot of mistakes in execution. On defense they have a better handle on when the Bills are running Cook and are hitting the right gaps to stop those.
Without Cook we are left to the execution of our passing game which depends a lot on pass pro and keeping Allen relatively clean. Vrabel also emphasizes keeping a spy on Allen which puts more pressure on him to get rid of the ball from the pocket. When teams don't spy Allen they end up watching him scramble for 40 yard TDs.