There's a gradient to the screwage, however.

For example, I've encrypted my disk, so someone would need to steal my computer and then try bruteforcing it with some new-fangled graphics card.

With this insanity, I risk someone stealing my unencrypted traffic with a plug-and-play device any time I get up from my desk to pee. Then again, they can already do that with Wireshark.

Lets say you are working in an office and get up to go the loo. You lock your work station. You are expecting that your locked computer will mean that a visitor cannot gain access to it in the few minutes you are away.

They could steal the computer, they could destroy it but slipping something into the port of a locked computer shouldn't give them this sort of access.

I feel that we can do better.