This is simplistic to the point of absurdity, and doesn't model how any sensible wealth tax would be implemented or paid. First, any wealth tax being seriously discussed has a floor and/or has marginal rates, probably starting at 1 or 5 or 10 million (or higher). Second, taxes don't disappear into nothingness - they pay for civilization. It is clearly beneficial to everyone to live in a society where people are well…
There's a lot of assumptions in there that the economy is rapidly proving wrong right now. Wealth doesn't grow for everyone - and an income tax is more fair because people whose wealth is going up pay more than people whose wealth is going down. We live in a world where remote work is rapidly becoming not just acceptable, but standard. Post-coronavirus geographic mobility will be high. Look, we already have a wealth…
Yeah, but it does generally grow for people who have millions of dollars, especially over the course of the 60 year period that the original essay is discussing. In the short term, the stock market fluctuates and has recessions, but in the long term it's only ever gone up.
> How about we just enforce inheritance taxes and call it done?
Because having a semi-predictable tax base is good? It's a lot easier to manage the government budget if you get 2% of the value every year, versus 100% of the value in a lump sum at some unpredictable point in the future. There's only 630 billionaires in the US, so it doesn't seem like statistics helps even this out, either.