We need to start working on open source hardware.
When dealing with non-code it is public domain.
But yes, Public Domain hardware would be nice.
All blueprints released to the public.
If you read the article you linked to you will understand that the NSA approached Linus Torvalds (the inventor of Linux and still one of the developers) to make a backdoor - but he didn't. That's simply because Linus doesn't own Linux - he can't decide on his own what to change. And Linux is open-source and devoloped by a huge load of developers - nobody, not even Linus, can implement a backdoor without anyone noticing.
That's why Linux is safe and will stay so.
They pressured/intimidated him into denying NSA attempts.
He nodded yes.
If they still have the ability to control what he says, how can you be so sure?
Have you personally reviewed ALL Linux kernel source code?
If they can pressure Linus, they can pressure anybody who discovers and attempts to divulge the backdoor in the source.