To create an analogy, my car doesn't have bullet proof glass, someone could easily shoot it up and i'd be dead. But nobody really goes around shooting up cars, so is it an issue?
but it gets worse, every processor from PPro (1995) on to sandy bridge has a gaping security hole reported (conveniently only AFTER Intel patched it 2 generations ago) by a guy working for Battelle Memorial Institute, known CIA front and black budget sink
https://www.blackhat.com/docs/us-15/materials/us-15-Domas-Th...
surprisingly good writeup: http://www.theregister.co.uk/2015/08/11/memory_hole_roots_in...
list of CIA fronts: http://www.jar2.com/2/Intel/CIA/CIA%20Fronts.htm battelle is on it