One thing to note--and there is alot of evidence in that video--is Robert Quinn's pass rush. We have talked about Quinn always(well 95%+) using an outside speed rush. I believe this is a scheme decision. Donald's most common alignement is the outside shoulder of a guard. With Quinn on a speed rush, there is no ability for an offensive line to double team him. Quinn's speed rush provides extra room for Donald's rush. If Quinn were to rush the inside shoulder of the tackle, this would force Donald to the inside where the center could easily provide a double team.
Curious what you all think.