When I was going to college at the U of Maine 1957-1962, state law banned standing and drinking alcohol. You even had to have a bartender/server take a drink for you if you moved to another spot. Do not know if that is still law there.
The answer for a snake being a service animal is that it is to help with anxiety. When too many people get around me I get anxious and the snake keeps people away.
And blogworthy. Nice find, John.