That said, these were all (foreign) policy experts, not technologists. They all seemed to take it for granted that you could draw a line between “bad" products and acceptable / dual-use products. I tried to hold back from saying “every time you people try to come up with legal phrasings about what technologies are ok, you end up putting tools like mine on the wrong side of the line." In retrospect, I should have said it more loudly.
— Tor project’s German Foreign Office trip report. There is a strong impedance mismatch between technology and law, that crops up everywhere from patents to copyright enforcement to law enforcement vs. dissent.