That term isn’t meant to include mobile apps, desktop apps, web apps (even though those all use the internet, of course). Nobody is using Go for any of those, as far as I know.
So I think it is a useful term, and captures the things Go is good at surprisingly well.
> Nobody is using Go for any of those, as far as I know.
Quite a few of us are, fwiw. I personally have done all three, Tailscale uses Gio UI for their mobile apps, and a fair amount of games have used https://ebitengine.org to release for Xbox/Nintendo Switch/Mobile/Webassembly/Cross-platform PC.
I actually kinda thought that Google should have made Go the default language for android. It could have been a compelling argument to the rest of the world as a reason to use it as a systems language.
It's feels like they didn't want to dog food it outside of their servers, though.
So I think it is a useful term, and captures the things Go is good at surprisingly well.