Isn't the simple solution to force capital tied up by individuals and corporations back into the public sector and markets via policy increasing taxes for those

Isn't the simple solution to force capital tied up by individuals and corporations back into the public sector and markets via policy increasing taxes for those at the top as well as forcing some minimum percent to be spent on either lower end job creation or a basic income program? Capitalism is fine, but it's just gotten really stagnant with the money flow it seems.