The 8232 Project

That’s simply due to the repository VSCodium uses to pull extensions from (in the name of using open source extensions). Other (proprietary) extensions can be installed by downloading the .vsx file and installing manually. In most cases, though, open source alternatives to proprietary extensions exist.

Check out VSCodium, which is open source telemetryless binaries of VSCode

Edit: Nevermind, it seems you already use it

!lemmysilver

Other people beat me to it on the other post, but none here!