As survivor of that era, Apple proved the point of higher margins, and the remaining OEMs want a piece of the pie, even better if it is ARM based instead of x86.
Android tablets with detachable keyboards.
Chromebooks as well.
The only PCs left with customisation are those aquariums full of rainbows, built by gamers.
In mainstream of course, then there all those little brands that only HN like audiences care that they exist.
As survivor of that era, Apple proved the point of higher margins, and the remaining OEMs want a piece of the pie, even better if it is ARM based instead of x86.