The kernel is locked down and will implement signed checks of
modules.
For the purpose of this example, I just neglected to show this as I was
explaining why the MS signed first stage loader was needed.
It's more complex than that - way more complicated, even leaving aside
any legality questions
Fedora would still be Free. Users are not paying the $99.
That is not the meaning of the word "Free" in Free software.
Alan