Earlier quoted context omitted.
I feel an exchange tax that included loans would probably be a much better approach. Taxing seated/parked assets, especially on the very wealthy seems like a recipe for disaster. So you have to sell, or leverage the property to pay taxes. What would trying to sell billions in stock at once, or leverage hundreds of thousands of rental properties look like to the larger economy, and what would the effect be? Also, who…
I love your consideration for the financial problems of some of the most privileged people in all of human history. I just don’t really care that much if they get a big tax bill (I’m sure they’ll find a way to pay) and for a variety of reasons it will be good for society.
Whether or not you think any of the companies funded by YCombinator[0] are actually worth their valuation, you have to realize that there will be fewer such startups if a tax on unrealized capital gains is passed, and that VC activity, along with the future startups chasing their money, absolutely will move to countries without such a tax.
Again, maybe you actually believe the startup scene in the US is worthless, in which case, go ahead and advocate for an unrealized gains tax Just be honest with yourself that it will entirely shut down sectors that others view as critical to the country's future dominance.