I'm highly skeptical of the claim that such tax would discourage startup founders. Wealth tax proposals I've seen don't kick in until $50 million or $100 million. This means that there is a floor on how "poor" the government can make you via a wealth tax. This has two implications: 1. Most "successful" startup founders don't break that threshold of personal wealth. 2. For most startup founders, the startup is the onl…
Agreed, I've always thought these sorts of "Atlas Shrugged" arguments were ironic coming from free-market thinkers. In a free market, if one person refuses to work for less than $100 million, there's always someone right behind them willing to work for $99M. It would take a pretty extraordinary tax to have any effect on motivation in the economy at large.
I personally think there are too few of the big, risky ventures these days, and too many low value-at-risk software-only startups (aiming to be bought up by a FAANG), but that is just an opinion.