Is this Jeopardy? Your question is essentially answered by his original comment.
You should work on 1. your reading comprehension, and 2. making relevant comments to the discussion at hand.
JetBrains/WebStorm now utilises the Deno language server directly (the same one that the VSCode integration uses) but they control how features are expressed in their client and when they deliver them, something the core team can't directly control.
So for various reasons, VSCode ends up being the focus.