Until 2023, Edge was sending every URL you visited to bingapis.com.

Microsoft's current privacy statement also says "Depending on your settings, this browsing history is sent to Microsoft"

The telemetry and ads (on start page) didn't bother you? I'm surprised there's seemingly a contingent of people who are too lazy to install any other chrome fork (eg. Brave), but are motivated enough to up sticks and switch to firefox the moment ublock is removed.