If you really want to offend them (and many of them deserve to be offended), perhaps we should portray the masks as a modern version of the tinfoil hat:

Heh. That gives me an idea.
How about a tinfoil hat with matching mask?
‘Course, the mask would need nose holes to breathe.
Ima go make a matching set right now! Can’t wait to try ‘em out at WalMart!