That question pops into my mind from time to time, too. Hope he's well, and I hope he knows the lasting positive impact he had on so many people.

I weirdly got my first programming job / made a good friend because of him (he tweeted about wishing he could adopt @person. I looked up @person, saw they lived in my city, worked at a company that was hiring. I DM'd @person, and eventually got the job!" Thanks ~2008 _why!