Not a lawyer, but this reads like an intent-based law, which aren't too uncommon in Europe. There are some other laws that are phrased in a similar way, like th

Not a lawyer, but this reads like an intent-based law, which aren't too uncommon in Europe. There are some other laws that are phrased in a similar way, like the so called "hacker paragraph". To stick to your analogy, unless you market your knives as "murder knives" you are good. I'm writing this as a German developer who's involved with the cjdns project, which matches "accessibility is restricted due to specific, technical precautionary measures" but obviously not "purpose is to allow or encourage specific illegal actions".