Yep, and what you've posted is a classic example. "If they had guns, (insert dictator here) wouldn't have come to power." In the hands of the pro-gun crowd, this is a desperate argument that's only useful because it appeals to fear and is completely unprovable.

People in Europe not only enjoy higher standards of living and greater health and education outcomes than Americans, but greater civil liberties and freedom to boot. Americans aren't free, which is demonstrable using many of the metrics I listed.