Making non-guaranteed money for a year and a half followed by scraping together seasons overseas is a career that typically doesn't pan out.
Ya, ya, ya, we don't understand their situation. The real problem is they don't understand their situation and how to put themselves in the best position for the rest of their lives as opposed to their early 20's. When 92% of them flame out and can't support themselves, now they have no alternative.
An NBA Prospect will continue to be an NBA Prospect the same in year 1 as year 3 or 4. Their stock may diminish somewhat, but, it may also increase substantially.
I deal with collegiate athletes, their perspective on reality is that of a young person. A lot of times they receive little to no guidance and even less good advice. Ask the 1000's of early entry flameouts what their earning window is when basketball doesn't pan out. I'd imagine the story is quite sobering.