Yep. I think another thing is the personnel.
When they are passing on 1st down, it's usually off of play action when Anderson, Knox, Hollins and sometimes even Gilliam are eligibles
This is why I'm not a big fan of the 6th offensive lineman and "role blocking wide receivers", because when you want to bake in play action off of those traditional run looks, the eligibles you have in are very bad to put it mildly