I also have never said that no developer tools are implemented in JavaScript.
If you like, feel free to tell me what proportion (as a percentage) of web developers in the world are actively contributing to the JavaScript projects you listed.
Not using.
Actually making.
> you don't have to write npm before you can use npm...
That is exactly my point.
Given that you don’t have to write npm before you can use it, it shouldn’t matter to you what language it is implemented in.
I feel someone is going to have to take over from me at this point, because I’m not sure how else to explain this very simple, uncontroversial point.