Great. Now let them get rid of the Microsoft requirement, because that's at least as bad if not worse.

If you use VSCode don't forget telemetry is enabled by default.

Here is how to disable it: https://code.visualstudio.com/docs/getstarted/telemetry

I refuse to touch any Windows 10 machine that did not go through this:

https://github.com/W4RH4WK/Debloat-Windows-10

https://gist.github.com/gvlx/b4d4c5681900ca965276fc5c16fe852...

(Warning: Use at your own risk)

Here is a great experiment you can do. Use an app like for example Netbalancer that can show you bandwidth use per app. Launch your locally installed PowerPoint. Note I am not talking about Office 365 but a locally installed Office component. Start some internal presentation to your fellow workers, just presenting, no editing or creating a new presentation. Amaze yourself at it sends data to Microsoft at the rate of 4 to 5 MB/s. Yeah...just try it.