>As you said, the issue is that founders will usually get a moderate payout (a couple Million$), while even early employees will get almost nothing.

How is that an issue? To quote Robert T. Kiyosaki's book "Rich Dad's Cashflow Quadrant: Rich Dad's Guide to Financial Freedom": "Your boss' job is not to make you rich. Your boss' job is to make sure you get your paycheck. It's your job to become rich if you want to."