> [a] great deal of open-source software and hobbyist knowledge sharing has never been driven by financial reward

It seems like a lot of the underlying sentiment which was driving that was to contribute to the world and make things better for our fellow people.

Working on OSS software sure doesn't feel as rewarding in the last few years, so I've personally stepped back from 99% of what I do. As have more public people that have worked on OSS for a long time.