I'm going to say this with a straight face: if only more people would have had better taste I think we might have inherited a beautiful future of free and open computing.
The Eee PC 701 was cheap and came with Linux OOTB. Now we have to spend thousands of dollars for underpowered garage projects like the MNT Reform or else pay about what we did for the 701 for underpowered laptops that will never get their bugs fixed like the Pinebook.
It is apparently possible to turn the read-only protection off to use pacman or your own thing, but anything you do may be wiped out on the next OS update.
See: https://help.steampowered.com/en/faqs/view/671A-4453-E8D2-32...
I believe it was mentioned in a previous story that it would at least not void the warranty to replace SteamOS entirely though.
They seem to be nailing it for now. Could see them experimenting with other form factors.
Also if they succeed other people will try to copy them.