See, you don't actually.

Nobody has to respect a damn thing. There's a difference between Respecting that the person vs. the opinion itself vs. endorsing the opinion vs. respecting yourself.

You do NOT have to agree with, support, or promote their beliefs and we can, and have every right to disagree with it in public, while being vocal.

What we DO have to do, is understand that everyone is entitled to their opinion, and they have every right to state their opinion, just as we do to disagree with in public, or their comments.

People have this mental thought that we must respect and be silent on everything we disagree with Because otherwise we're "being rude", and that is simply not true in the slightest. Freedom of speech is the first amendment here in the states, and if they have the right to an opinion, we have the right to disagree with it.

tl;dr: We don't have to respect the opinion, but do have to respect the person with the opinion, and can we—In no way, limit or hinder their ability to have an opinion.