Why should abelsim be given latitude that we wouldn't extend to racism, sexism, or anti-Semitism?
My opinion is that embarrassed bigotry in private is still bigotry. It's good that those with such feelings recognize the harm that they bring (or at least the public shaming that they can suffer), but it makes for a simpler life to just excise such hatreds whenever you can.
Is the answer anything other than "pretty damn well against the weapons it was worn against"?
TV and movies often depict armor as if it's little better than clothing, as if it wasn't abandoned as soon as practical counter was developed. (And then re-invented as a guard against shrapnel and very-small arms...l