The thing I hate about this fake corporate mission is there is absolutely no need for the lie.
Just be honest, hey we started this company, the founders will have disproportionate returns because we were first and control the equity power structure, you will work for us and make less money - even in the event of an exit. Sometimes we will fire you. We will make mistakes. Lets be adults.
Instead its: "In our supreme nobility we sacrifice everything at the alter of the almighty cause, and so should you. Follow in our virtuous foot steps. Ask not what your company can do for you, but what you can do for your company!" ...