And if you decide that you must install that operating system because it runs a particular game or app, think all you are sacrificing for that as an implicit extra cost.
Finally, we can do 'curl https://host.com/script.sh | bash -' in Windows!
1. If you care this much about Microsoft forcing things on you, why not use another operating system?
2. If you care this much about security, why not use another operating system?
Update:
At a closer look this appears to be either part of a bigger project for teenage security LARPers, or just a ploy to get people to run dodgy binaries.