Risthel
Secure your boot process:Secureboot, EFISTUB and Luks2
https://news.ycombinator.com/newsguidelines.html Off-Topic: Most stories about politics, or crime, or sports, unless they're evidence of some interesting new phenomenon. Videos of pratfalls or disasters, or cute animal pictures. If they'd cover it on TV news, it's probably off-topic.
GPL License Freedom is also an "enforcement". You cant "revoke" and make the software "less free" turning it into proprietary software.
BSD License Freedom is a freedom that can be "revoked" to make the software proprietary. It is also "more free" free cause you can do actually whatever you want.
I'm using double quotes in specific words cause it is up to you and your philosophy/lifestyle to decide what kind of Freedom you like most. You don't have to swallow the FSF pill and believe on all they put as right and wrong.
Chose the Freedom you want
And remember: You liking or not, WhatsApp is a Facebook developed software.
RING is the only real secure chat software, with DHT, peer-to-peer discovery and encryption. https://ring.cx/
And that is a 2-way road, where some people cry on forums and maillists anyway, that companies tend to use BSD and not return to community. There is no need to paint it as a win-win situation(distribute proprietary derivate software) when it clearly has its problems too.