> but is this really a wealth transfer from the poor to the rich? Doesn't most tax revenue in the US come from the rich, meaning they're covering most of the bill?

Doesn't matter where tax money came from, that part we are not changing. What changes is where that money goes. It could pay for schools, Medicaid, homeless shelters. Now there is going to be less of that, as we are building a helipad for Bezos with some of that money instead.

Which is why it's a wealth transfer towards the rich.