The YouTube channel PC Security Channel compared the data collection of brand new Windows 11 and Windows XP PCs, captured packets with Wireshark, and found that a brand new Windows 11 PC that has never been used to browse the Internet will not only send data to Windows Update, MSN and Bing, Data is also sent to third-party services such as Steam, McAfee, geo.prod.do, and Comscore ScorecardResearch.com. In contrast Windows XP only checks the update server. Windows 11 is therefore called spyware. A Microsoft spokesperson responded that streaming data is common in modern operating systems to help keep it safe and up-to-date and to ensure the system works as expected. privacy.”
https://www.youtube.com/watch?v=IT4vDfA_4NI
https://tech.slashdot.org/story/23/02/12/059214/is-windows-11-spyware-microsoft-defends-sending-user-data-to-third-parties