It's interesting to think about things in the scales of budget. For example, $20M is considered very small AA, nowhere near the budget of AAA games. But for us, we'd think a budget of $20-50M for Shenmue IV would be substantial(and it would be)
For context, I saw recently where both Avengers and Guardians of the Galaxy cost Square a loss of almost $200M.
Just these numbers are astounding to me regardless and doesn't include somebody like Musk.
Even if you had $2 or $3M, you could literally throw it in a good bank account, maybe work part time or not at all..and live off the interest the rest of your life and probably never really touch it.