Windows 11 default desktop Chat/Teams widgets are Edge web views that eat up hundreds of MB of memory: https://archive.is/pyvEO
Edge also preloads in the background even if it's not the default browser: https://archive.md/AAjz4
Both links also detail how to disable these "features."
That antitrust suit was a government shakedown. Now MS, and other tech companies, spend the correct amount on lobbyists and magically none of them are trust violations anymore.