It’s actually that. I would even go so far as to say “functional addict” is a bit of an oxymoron. People compulsively repeat all kinds of different behaviours.

It’s actually that. I would even go so far as to say “functional addict” is a bit of an oxymoron. People compulsively repeat all kinds of different behaviours. Some of those have a lot of people willing to pay you (programming), others less so (gaming), and some none at all (intravenous drugs).