The validity of the reasons doesn't come into this because the point isn't that "possessing lobsters being illegal is stupid". The pint is "lobster are illegal,

The validity of the reasons doesn't come into this because the point isn't that "possessing lobsters being illegal is stupid". The pint is "lobster are illegal, who would've guessed, can you imagine having a lobster and ending up in jail?, and can you imagine how many other thousands of unknown laws are you breaking right now?, it's not possible to keep track of them all"