There's an extension for almost everything, right there in the UI.
The fact that it's electron means there is native support for graphical preview in e.g. markdown, mermaid, plantuml, jupyter, etc.
Relatively sane defaults. I haven't tweaked much of the editor except the color scheme and shell startup timeout.
Zero messing around with language server setup. It's 'install extension' and go. Sometimes a window reload is required, but it restores the session intact, even with terminal history.
Remote ssh (and WSL on windows) is super seamless. The way I've used vim was always ssh+tmux. Most of this is unnecessary with remote ssh in vscode.
There's probably more but these are what comes to mind immediately.
