Like I said, I don't know them, but confusion = slow but knowledge = speed. Even the slower guys can play fast if they do not have to think just react.
Also, not sure of their scheme but maybe they were suppose to spill those inside runs out to those olb's last week rather than turn them in. That could be why those two linebackers were isolated. If not, those DE's must squeeze the play down to make a much more narrow opening so ILB's don't have huge holes to fill.