> It would also be based on land used, so Warren be buffet and someone working at Walmart would have the same tax bill if they both own houses in the same neighborhood.
If they both live in the same size house in the same neighbourhood, sure. If a billionaire really wants to live in a closet to spite the taxman, that's fine, although I don't know why they'd bother having the billion. They aren't imposing on the community, they apparently made their billion without using any space (because it's not just homes, the whole point is that it applies to every kind of land use, good for them.
> It is incredibly regressive.
It's the opposite. Land ownership is the biggest thing separating the upper and lower classes.
> Elon Musk can live out of his small undesirable home in boca chia, so his total taxes would be close to zero
He'd still have to pay LVT on his giant factory and fashionable city-centre showrooms, so skimping on his home is not going to make a lot of difference.