Anecdata, but I remember going to the dentist in Palo Alto and operations coming to a standstill (e.g. getting my digital xrays to my dentist's computer took 15 min despite the xray room being a few rooms down the hall) because that was the day the office had finally been forced to transition to Windows 7 from Windows XP.

That was back in the summer of 2014 – googling it now, I see that XP's official death date was April 8, 2014, and that Windows 7's death date was extended from Jan. 2015 to Jan. 14, 2020. [0]

My mom still keeps a Windows XP laptop around (and I've done my best to make sure she never actually uses it, including getting her a Macbook) because she never figured out Win10. And she was a com sci major and worked on mainframes, so I'm biased to think most tech-focused businesses who moved to Win7 have not jumped to Win10 sooner than they absolutely need to.

[0] https://support.microsoft.com/en-us/help/13853/windows-lifec...

Windows 10 has ads. Windows 7 does not have ads. Any questions?

Windows 10 LTSC/LTSB versions doesn't have adverstising, Windows Store, Cortana, Edge, XBox stuffs, pre-installed games, etc. Also, Telemtry can be disabled easily.

I am sure that is the case sometimes. And you are not wrong. However, the article shows a video of an attack in progress on a Windows 10 machine.