r/trees comes to mind, if there was an actual arborist community that want r/trees, well they were fucked.
There was. They ended up with, I think, /r/marijuana_enthusiasts or something like that. It was quite funny to both sides, at least it was like 15 years ago.
Totally depends on the challenge of the project - and it follows a bell curve. Too easy and it’s annoying, too difficult (or takes too long) and it’s fucking aggravating. But those rare Goldilocks projects that are a challenge but shit just clicks along? Chefs kiss.