2a) and the law is full of exceptions, prerequisites, superseded, and other qualifiers. So even if you do find a rule you think applies to you, you don’t know that it only applies on a third Thursday of the month in a leap year, after you filed the prerequisite paperwork last year, paid the filing fee, and did a hat dance.
Actually I think he's got a point there. How am I supposed to know all the rules applying to me, if not even experts who study law for years are in agreement about them?
How am I even supposed to know, that there is a law about something?