You seem very focussed on the money-side of the equation, however for most people job satisfaction consists of more things like feeling part of a team, being friends with colleagues and growing as an individual. e.g. some companies enable you to solve problems you cannot do anywhere else, or allow you responsibility that you wouldn't have anywhere else.

Maybe the easiest to identify what would make you more satisfied with a job is to think what job you would sign up for if you suddenly have all your money needs solved (aka win the lottery).

The high risk of becoming an entrepreneur is exactly why the labour market is not allocating profits to employees, if it were very easy to build a successful company that can employ others then a lot of people would go and do just that. consequently, the war for talent would ensure profits go to the few people willing to work for somebody else.