Yes I agree but so many things that might seem "done" (and in someways I think software/SaaS as an ecosystem is "done" compared to where we came from).
BUT - so many companies just bloat themselves and their products. I think the end of ZIRP is going to have an effect on that (more enshitification / rent seeking for sure) and I think there will be an opportunity to iterate and make copyware that doesn't take the higher development efforts.
We really need a winning electron alternative that is more resource friendly. That, IMO, will be a big game changer and I know there are lots of promising alternatives already.
Yes, the scope increase is vast, due to more languages, more tooling, more features, higher expectations, and more competition.
The Graphic Editor workspace, in fact all the Adobe programs alternatives is quite open.
I remember using Paint Shop Pro, and it was bought and killed by Corel. I would prefer to keep using Paint Shop Pro, instead of Photoshop, because it was super fast and had all the features I used and wanted.
Ask people why they can't migrate to Linux, and half or more of the answers are: Adobe.
As time goes on it feels like much of the low hanging fruit opportunities in software is disappearing faster and faster. I'm also a fan of Zed and everything they're doing, but it's notable that shipping next-gen editor software takes a lot more developer effort now than it did in the 2000s.