I admire Fabrice a lot, he is a programming hero for me. However it is not true that he is not interested in money, for instance the QEMU module performing the run-time code translation to go fast was not released for free in order to earn from this. I don't know if he managed to earn or not from QEMU in the end, but IMHO that of selling the module to final user was not the right strategy, when QEMU was started and b…
Monetizing OSS is hard and a lot of the time the possible revenue streams are a time-suck. He may not be interested in spending his own time and prefer just instead to licence his work as-is the norm for software producers.
From all I've read he's more than happy to receive invitations for licensing of his work, whether or not he'd accept a lump sum to Open Source some of his work is not known. Anyway this is all speculation, if you're genuinely curious you should email him (which is active as I received a reply from him today :)
He has remained independent doesn't work for academia or any mega-tech corp and continues to pursue his own interests. I think he has every right to carve out his own path and produce software as he sees fit.