Current-era Microsoft continuing to push the boundaries of consent.
Microsoft Edge is a good browser but for some reason Microsoft keeps trying to shove it down everyone’s throat and make it more difficult to use rivals like Chrome or Firefox. Microsoft has now started notifying IT admins that it will force Outlook and Teams to ignore the default web browser on Windows and open links in Microsoft Edge instead.
At this point, you will either try to mitigate the harm caused by proprieatry software by adding as many Open source programs to your MS system, or treat the underlying cause and install a FOSS OS.