You could sit your girlfriend down with nothing but terminal, the man pages for a printer or video card driver, and the root user password, and she'll understand why Windows is better.
mmc, regedit, powershell, sure this could cascade much further, but I think maybe op had the default privacy options in mind, which enable windows to use the camera and microphone feeds as the os sees fit.
Yes, this exactly. If anyone cared to check out the advanced configuration it is pretty much exclusively turning off security vulnerabilities.
One of them is "Automatically trust WiFi connections my contacts trust", a bunch of others are sending data to Microsoft. It's been a few months since I turned on a new Windows 10 PC but I was completely turned off by the advanced configuration.
The #3 story on HN right now is "Windows 10 in-place upgrades are a severe security risk"