1. Redistribution of wealth carries a corresponding redistribution of political power.
2. The quality of life for the bottom quartile (or choose your threshold) is increased by more than the corresponding decrease for the rich.
3. Redistribution increases consumer spending, which stimulates growth, if for instance the economy is in a state of poor demand.
Needless to say, these are all speculative on my part.
https://www.theguardian.com/inequality/2017/nov/14/worlds-ri...
Based on federal gov't data on total taxes paid, the top 0.01% (even higher income than you 0.1%) pay over 20% of all taxes with an average rate of over 49%.[1]
Remember gas taxes are just as much a tax as income or property tax.
Both relative and absolute poverty matter and have different causes and solutions.