Yes, and people will always find more stuff that is needed and more ways to justify taking from those that earn in order to fund their own pet projects. And then politically determined 'fair share' will change to reflect the new reality. And there will always be those that will fall in lock-step with the relentless loss of personal freedom simply because there is some cause that they can identify with or some rich guy they hate.
The biggest difference between $1M and $50M is the guy with $50M will pay more tax than 1000 average people. Even at capital gains rates. At least until he moves to Grand Cayman that is.