I really don't think that it becomes stealing until the wealthy are pulled down below the poor - and that isn't anywhere near being on the table, most of the wealth tax options would just shrink the band between the super rich and the rich. It's not clear if this survey laid out a starting point but Warren's proposal is to only tax excess wealth above 50mil and such a tax would almost certainly be graduated (so a 51M person would pay tax on 1M and a 52M would pay tax on 2M (probably double?)) either way the worst that happens is that unearning trustfunders are slowly reduced to 50M in assets over time which is more than enough money for anyone... and I'd hope that as inflation/cost of living rose that level would be adjusted - being a millionaire today is hardly rare with most people who own a house in a metro area easily falling in that range.