> I think same-sex marriage should be allowed.

That's good, because in a liberal society people should be allowed to do and be × whatever and whoever they want as long as they aren't impinging on others' right to do the same.

We are trying to build a liberal society here, right?

> I think those who engage in same-sex relationships are engaging in an immoral activity.

And how do you act on this opinion? In light of your 2), maybe you keep it to yourself because you hold others' freedoms as more important than your personal judgment of their lifestyles. I might judge you in the same way for having this opinion.

> I think there are 2 genders, male and female, and they are fixed at birth. This breaks down for some people with medical conditions but make up a small enough percentage with should deal with that on a case by case basis.

Similar to the above. Personally I don't get why some "right-leaning" folks get worked up about this, but what I care about is: what are you doing about it? Despite your own feelings, do you respect the right of someone to identify as a gender not traditionally associated with their biological sex? Surely, at least, you recognize that the statement in 4) is not any more than an opinion?

This issue gets into thornier territory and I do think it has to be handled on a case by case basis. Given today's political climate you may be surprised to hear that I don't think e.g. that I, a biological male, should be able to declare myself female and then go compete in physical sports against biological women. We have to be honest with ourselves, and treat in good faith with "the other side"; on this issue particularly I think the public discourse is in a very sorry state. We are talking past each other, and we love it. It's disgusting.

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This segues into another point, and your 1). Take the bathroom thing. People are allegedly concerned that men will declare themselves as women and use this fraudulently assumed identity as an excuse to prey on women in the women's bathroom.

I see this as a silly thing to worry about, and here's why: is there any real evidence or convincing argument that it will make the existing problem worse? Recently in my city, Seattle, (for instance) there have been multiple incidents of homeless men raping women in women's bathrooms. In general, women are preyed upon by men with some frequency. So I don't really worry about this opening a door; the door is already open.

> I think that a physical border should be erected on the southern border.

Similarly, is this a data-driven solution? Is it anchored in a lucid, rational analysis of the real world? I see "the border wall", the idea in the public consciousness, as a thing that exists solely as a political tool. Maybe that is me being excessively cynical, but that's a fact: I see people who support it as having been duped by a demagogue. I would be interested to hear informed opinions stating otherwise.

And here I can circle around to answer your question more generally. The fact that I've typed this all out is representative of my expectation of a certain level of good-faith engagement that no longer (?) seems to exist in the American public discourse. I believe that if people are not speaking thoughtfully, if they are not arguing in good faith, that their contributions are worthless and should be ignored.

Our politics today is full of this. It exists on the left and the right, but Trump is perhaps the exemplar. He is a bully and a brazen liar, illiberal and anti-intellectual, and he fosters and encourages those traits in Americans who follow him. I don't believe he or those who make contributions on the same level should be allowed to contribute, no. I think we should stand up and say enough is enough.

That is not the same as me saying conservative voices should be silenced. Far from it.