I don’t have an answer - is there scientific research on this?
Taxation? Loopholes will be found.
Lawfare against it? Lobbying will win.
I am amazed by capitalism, but at the same time it is a ruthless machine - and in democratic countries it is highly unlikely that a single political party can force the machine into a new direction. Perhaps that is a very nice feature, at the cost of also having to tolerate rent seeking, but it sure as hell sucks to see these downsides.