I tend to agree that the number seems inflated, but if it was half that, he still should have come back. That's an incredible year, and at 22, the TVM is excellent.
600k at age 22? Unless you're going high in the draft, you take that money and throw it all into your Vanguard brokerage.
Even a ******* money market is getting 5%.
Good lord he would have been in great shape!