And your cost comparison is equally absurd. It costs more money to store and manage our keys than it would to just leave them alone.
> Microsoft is not trying to mess with your system via that method
They use other methods to interact with your pc without your permission
1. http://www.informationweek.com/microsoft-updates-windows-wit...
2. http://slated.org/windows_by_stealth_the_updates_you_dont_wa...
Your core dumps are being captured. And then sent to a third party: https://betanews.com/2016/11/24/microsoft-shares-windows-10-...
Default settings let Microsoft capture everything you type and your browsing history: https://web.archive.org/web/20151001035410/https://jonathan....
And don't forget about the NSA key buried in windows: http://www.marketoracle.co.uk/Article40836.html
I am a windows user. I'm just not sure how anyone could claim that an OS that updates without your permission, sends and stores your encryption keys, captures browser history and all keystrokes, etc is not considered malware.