Surely there is a disincentive to working hard as taxes approach high levels while resources are increasingly provided for free if one doesn't work. The Laffer curve and all that.
If you keep increasing taxes and reward people that don't work by giving them free and easy wealth, the tax revenue will actually go down at some point instead of going up, leaving less to redistribute. It's like killing the goose that lays the golden egg.
https://fee.org/articles/the-laffer-curve-its-time-to-stop-l...