Are you sure that was Zed? I see that it's 98.3% coded in Rust. But if you're right and it still depends on node.js, I'll have to scratch that off my list.
We use node.js to run a number of language servers and formatters (which are often written in node due to the VSCode ancestry...).
There've been a lot of requests to disable language servers by default; but I think that's not the right default for most users – things should work out of the box.
That said, better control over this is definitely something we will add.