Earlier quoted context omitted.
This makes it sound like double is a big proportion. But given how much of the wealth the rich control, I'd expect it to be closer to 80 or 90% of tax coming from the rich. They just don't need it.
That seems like it would decentivize being rich pretty dramatically. The truth is that many rich people are the main movers of the economy, generating positive value for everyone (versus rent seeking). If you decentivize being rich you decentivize generating value. Ayn Rand explores a world where the rich value creators go on strike when people and the government “loot” and plumber their wealth, through regulations a…
If the rich went on a strike today; within a couple of years, they'd all be replaced by a different batch of newly rich people and the economy would be right back where it was before... Then after maybe a few more years, the economy would be in a better shape than it has ever been.
For every rich person, there are hundreds of even more talented people just waiting for an opportunity to take their place.
There have been many cases in history where all the rich people in a country lost their wealth and then they were replaced by a completely new class of rich people; Germany after WW2, Russia after the collapse of the USSR...