For their sake, I hope they've read one of those posts of advice for this situation or otherwise have a good plan. Their life getting fucked seems the more likely outcome, though.
If they gave me $1bn i would do stupid things too. I mean with that much money it really doesnt matter anymore. I would like to think i would be smart about it, but i really doubt it.
I mean out of nothing BAM you’re a billionaire and not ease into it like most, will be trouble
Occasionally people win and immediately put it all in low-liquid assets so they can't screw up their lives and others intentionally get rid of it fast enough because they don't like trying to sustain that life, but I think both are in a minority compared to the fuck-ups