Tax Brackets. Taxes need to target only those wealthy enough who are already in the game. I don't get why people don't understand that.
Taxing capital gains on principle residences means people are less likely to move up to a better home which creates a problem for first time home owners trying to enter the market as no supply exists.
Wealth tax requires you to know everyone's wealth. How are you going to get that information / verify on a yearly basis.
obviously this would be difficult and would require new rules, but it doesn’t seem at all impossible
you could start high (say 1000x the federal poverty line) and work backwards
there are already a number of proposals from lawmakers that cover the details better than some rando on the internet