People are entitled to their opinions. They are not entitled to spouting their opinions unchallenged when those opinions perhaps deliberately ignore crucial bits of history that, if better known, might greatly undermine the importance of those opinions.

I confess: I sometimes screw up. We all do, after all. And, given our almost universal screw-upped-ability, it's probably best to not assume we are god's gift to the unlearned every time we drop “knowledge” on the masses.