I wouldn't count upon them having the foresight to impose NDAs on their employees.
Someone told me so.
Don't you see the huge discrepancy between being unable to design a webpage that can be scrolled as every normal webpage can and successfully bringing to market a 28nm ASIC? They can play dumb if they want, but one don't really have to fall for it.
Btw, we keep missing what they post on facebook:
https://www.youtube.com/watch?v=PjDF0tq5r28