The Bills OL and DL are HUGE. So size is there.
the 4 WR setup is fine, especially if you have 4 and 5 WR's who can be effective, and the Bills are demonstrating this in camp. Spreading thee field and having some success throwing the ball softens the interior for the RB's
We have a 2 headed monster at RB and Chan has said there will be more emphasis on running the football.
Why would you want to scrap 2 previous years of implementation and revamp it? We saw what the O can do when healthy last year, and it was fantastic to watch... Depth issues, experience and injuries derailed us.
last year we had no off-season and the playbook was smaller because of that, and getting the young WR's OTA work was non existent and that hurt... I am very excited for our O given the the fact that we have multiple WR's doing real well in camp, and the fact that Fitz is having a real good camp and looks more accurate hitting WR's in stride down field more often