It's a way for web developers to easily work in the linux sphere without getting burdened too heavily. Not saying that as a dig to web devs, I'm a web deb but that's all it really appears to me. Popular dude in web dev community made it slightly easier for other web devs to do a thing.

Which is a great use of Linux. I have gaming oriented ones (Bazzite, SteamOS) installed for gaming, why not a dev oriented one for dev-ing.

It's not just slightly easier. It's much easier.

Sure, there's no innovation in it. But not everything has to be innovative. Useful things can be important too.