alt Hacker NewsFor me, Linux From Scratch is not about compiling linux from scratch, but on building up an entire Linux distro from the ground up, understanding how every piece fits together.
Doing it via systemd is like drawing a big black box, writing LINUX on the side, and calling it a day.
You are necessarily working with very big blocks when you're doing this, anyway. You don't do a deep dive on a whole bunch of other topics in LFS, because otherwise the scope would become too big.