Never attribute to malice that which can be adequately explained by stupidity. Never underestimate the power of human stupidity.
Robert A. HeinleinOn two subjects the overwhelming majority of people regarded their own opinions as Absolute Truth, and sincerely believed that anyone who disagreed with them was immoral, outrageous, sinful, sacrilegious, offensive, intolerable, stupid, illogical, treasonable, actionable, against the public interest, ridiculous, and obscene. The two subjects were (of course) sex and religion.
Robert A. Heinlein