Atom did bring about tree-sitter at least.

From zed.dev/blog/we-have-to-start-over

We got to a certain point with Atom. It was 2017 when we’d shipped Teletype and it felt like, okay, it’s no longer our own ignorance holding us back, it really is like the platform holding us back at this point.

…

the ironic thing is that we created Electron to create Atom, but I can’t imagine a worse application for Electron than a code editor, I don’t know.