Only one of those is even possibly linked to the government's ability to track you (the car). The others are completely nebulous, and are made safe simply by ha

Only one of those is even possibly linked to the government's ability to track you (the car). The others are completely nebulous, and are made safe simply by having police present or through routine investigative powers. They don't need to know your intimate details. The last one you mentioned is actually the opposite. You can accidentally trip over a law you weren't aware of. Ignorance of the law is no excuse.