>Compare that to JavaScript where you can literally just install vscode and node and you’re up and running. Not to mention that you could pop open a console in any browser and execute code.
That's only because VSCode was developed in JavaScript, and JavaScript is used in Browsers anyway. This has nothing to do with Intellisense friendliness.
No, golang is just as easy to install and work with on vscode. Just install Go and the official Go plugin and you have an IDE experience complete with debugging, formatting, and intelligent autocomplete. It has nothing to do with vscode being written in JS.
That's only because VSCode was developed in JavaScript, and JavaScript is used in Browsers anyway. This has nothing to do with Intellisense friendliness.