

Very good. I’ve seen too many random Google Forms going around just harvesting emails / info to plug my details into any that I don’t click into from a legit/verified site. Not that I’m accusing OP of that, just that I don’t know where they got that form link.
That’s basically what EFI booting does.
Initramfs’s main purpose is to load enough of a system to be able to load/boot the kernel and everything else from the hard disk. It’s also used for more complex boot scenarios such as loading LUKS and providing a password prompt if the root partition is encrypted.