Rather than edit my previous reply, I thought I'd add a bit more. I've been reading the post you linked, and I only really have a couple of things to add.
We don't have property tax here in the UK, so it wasn't a concept I was particularly familiar with. It's not a tax I agree with, and rather than address any societal inequalities, could instead destroy a country if values of property rose far higher than incomes. I can understand why you'd view such a tax as theft.
Socialism is not communism. In Marxist theory, socialism was viewed as a kind of middle ground between capitalism and communism. The bridge I guess you could call it. But I don't subscribe to any one political or economic theory, but instead that we need to work on is addressing societal inequalities without jeopardising our liberties. I believe that both here in the UK and over the pond, our political systems are broken and corrupt. There shouldn't be a ruling elite, career politicians or even the ability to manipulate the system, and no one person should get rich off the fruits of another mans labour, in my opinion.
Tax doesn't have to be bad. Do you completely disagree with all forms of tax? What about income tax? or Value-Added Tax (VAT)? Do you disagree with the concept of wealth redistribution completely? or what if we did something totally crazy, like devised a completely new way of being, no money so no tax, no property rights so no rent. The problem there is us, people. We're inherently selfish, self-centered pieces of shit really. As a species we can do great things, but tend not to. We each have our own ways of thinking, desires and dreams and how we see our lives should be. We can't force anyone into thinking a particular way, we are the result of the lives we've had, and sometimes we just struggle to see things from other people's perspectives. This planet is becoming increasingly small to us, and we've all gotta share it. We've all pretty much agreed to do what consensus says, even if it's not what we agree with in our hearts. Let's just keep tweaking at the system, until we get there. Some taxes are wrong, or don't work, but I don't think they're inherently theft, but I do encourage you to change my mind.
Apologies, that became a bit rambly.