You can do all the privacy measures in the world, but if the people you talk to are using spyware then it’s all out the window. (literally Windows, get it?)
This video breaks down some of the basic reasons to switch to Linux so you can convince your friends: https://video.simplifiedprivacy.com/why-linux-beats-windows/
I do not agree that MSN is left. Maybe it’s liberal, but liberal is not left.