That’s fucked up and scary to consider someone might one day try to cancel my work visa because they disagree with me.

Like the kind of thing trans people have to worry about?

The visa is being given by the country you want to go to, not the one you come from. Just because it's not illegal where you come from, does not mean the country you want to go to will be happily throwing a visa at you.

It's also only a personal belief, if you don't want something for yourself. But as soon as you tell other people what you want them to do, it's not personal any more. Mind your own business

Then don't organise nazi rallies.

Paradox of tolerance. Can't tolerate the intolerant if you want to stay tolerant. I've been looking into her a tad and ... yea, that's not just a minor disagreement about trans rights or anything.

I don't think you need to do anything illegal for that, if they don't like you don't enter.