No antagonism felt :) We've met, I feel I have a decent understanding that you are a nice and genuine human being. So no worries.
what taxes you feel ARE legitimate.
Taxes, any tax, in my opinion (and I believe by definition. Unless you're not being completely honest with yourself) is theft. Taking something from someone else without their consent, is by definition, theft. Therefore, all taxation is theft and immoral. Regardless what positive outcomes may come from the stolen money.
What courses of action would be considered reasonable to you.
Let's start with getting over the ridiculous notion that a small minority of people can somehow dictate the lives of everyone else, by force.
Privatize everything and all human interactions are based on consent. That would be a massive improvement and a major leap forward towards a less violent world.