[raimille1]

1) "... am sure you entered the password into some input field, which means that you have handed your password over to your Operating System"

...

2) "The easiest way to get started is to install Linux in a Virtual Machine and get yourself familiar with the system."

Therefore, enter your password into an input field, in a virtual machine inside your proprietary Operating System key logging you?

[grifball]

Keyword: "get started". Most ppl don't want to dual boot, so installing a VM is a stepping stone to getting fully comfortable with the OS so you can then use it on bare metal.