Yeah we should totally just tax everyone making over 500k at 100%. That will solve all govt funding problems and finally allow the govt to socialize everything. I'm sure the utopia is just around the corner. Just gotta get those rich assholes that don't pay their share. Modern slavery is in voluntary contracts, not involuntary debt to the state!
Incentives, other regulation. Break up monopolies. Companies pay stupid amounts because they have that kind of money. If they are essentially forced to use money for other things, there won't be enough to keep the company black and pay the CEO stupid money.