So it's not just a way to force users to use bing, it's also a way to push this feature in front of them.
> By making Bing the default search engine, users in your organization with Google Chrome will be able to take advantage of Microsoft Search, including being able to access relevant workplace information directly from the browser address bar. Microsoft Search is part of Microsoft 365 and is turned on by default for all Microsoft apps that support it.
[1] https://support.office.com/en-us/article/find-what-you-need-...
[2] https://docs.microsoft.com/en-us/deployoffice/microsoft-sear...