My point has nothing to do with absurd conspiracies, but that technically, I repeat :technically, given enough motivation and resources which probably only governments have, there are ways to defeat encryption by planting backdoors into closed firmware so that data is being read before it even reaches the encryption layer. It's very hard to do, but it's 100% possible. You think the USB driver managing your keyboard doesn't have access to all text you write, including passwords? Well, have it talk using a covert channel with the blob running into your network card and all your text is magically sent elsewhere. Again: hard, still possible.