This is also what's called the beginner's mind, Shoshin. [0] One of the core concepts of Zen Buddhism. Tangentially related would be the concept of no-mind, Mushin. [1]

[0]: https://en.wikipedia.org/wiki/Shoshin [1]: https://en.wikipedia.org/wiki/No-mind

Pretty sure the majority of people who are a part of the community work a 9-5. But yes, spending after work hours making something that's just completely out there with no monetary purpose at all is much more nourishing for the soul than attempting to create a passive income machine.