If it truly brings you joy we have hat covered: it's a simple enough hobby!

The actual issue is that then you need something still that makes money. I think, for a programmer, that's fairly unproblematic too, for the foreseeable future: all those agents will need direction. Anyone can do that up to some level of complexity on their own, sure, but it simply is hard for humans to structure requirements and reason about a big enough systems and I don't see demand for those decreasing.