

No. You can edit the Kernel command line directly from GRUB before booting into anything else. That is the default behavior (with Debian).
Yes, it is more aimed towards “casual” users that want something that just works. But auto-updating policy is not really the point of the blog. Every distro is deciding that by themselves and will always be able to.
Full disk encryption is non standard and a PITA without a secure boot chain where the disk can be unlocked by the OS itself. If you have fun tinkering with your OS go nuts, but I want something that works every time even if install it for my mom. The current distro offerings aren’t that.