If you can't fix everything, fix nothing?
Sure, this addresses only one type of attack. However, it closes off that attack completely - in hardware - so you don't have to worry about it anymore. It may be less common now but it is one more trick in the toolbag for breaking into systems that gets taken away. I'd call that a win, even if there is still a lot of other stuff in the toolbag that remains.
Biting the hand that feeds IT
