Sure, the government has that goal too. But the government has many tools, and using taxes for that is using the wrong tool. Or maybe you think that billionaires owe us not only to pay taxes, but also to play nice, and pay those taxes with a smile on their face?
> pay those taxes with a smile on their face
The government's monopoly on punitive violence isn't only intended for the peasantry...
Billionares shouldn't exist. We shouldn't just tax them for the revenue. We should tax them to limit the undemocratic power that comes with excessive wealth.