Sadly, some OEMs do not permit it to be disabled.
(Not disagreeing with your comment.)
I remember him saying he wouldn't bet one nickel that the Surface Pro would come with a unlockable bootloader.
He should've bet a million, he would've won!
Thus, the OEMs need to be named and shamed. However I am not holding my breath for richij (who also appears to be the article author) to name the OEMs.
Maybe they will. But I'm glad Linux has strategies that don't rely on that.
If an OEM is shipping Windows without a Microsoft logo/MDA contract, what possible incentive would they have for enabling Secure Boot at all?