It also makes me wonder how much we can rely on things generally held to be secure. I certainly have never tried to guarantee that the compilers I get from the distros I use are fully honest, much less disassemble my BIOS, and of course the tools I would try to use even if I did achieve that level of paranoia might not be reliable and I would need other tools to test the tools, and the next thing you know I'm out in the woods sawing at trees to get lumber to carve because only a hand-built analytical engine is a reliable and trustworthy platform in any provable way.