Not everyone can get what they want, but certainly everyone gets what they need. Everyone living in mansions? Nope. But is anybody homeless? Nope. It's a trade-off.

Many sought-after things are scarce. Starship commissions are scarce. They require hard work and are assigned based on merit. Not just anyone gets the opportunity to explore the edge of space; it takes dedication and sacrifice.

The show is certainly influence by the philosophy of Stoicism[0].

[0] https://en.wikipedia.org/wiki/Stoicism