These blog posts might seems a bit nahive, but making fun of them is not nice.
I still appreciated reading them and the raised some questions in me, even if maybe not the ones the author was aiming for.
Still interesting.
Whats wrong with people just criticizing everything around here? Are we getting toxic like "the other site"?
A locked bootloader looks for official ROM signatures, which a custom ROM doesn't have.
That's why this is impossible. You can hard-brick your phone, that's why LineageOS doesn't allow you to relock.