Surely you don't suggest the police wait around for public defecation? Do you also suggest public intoxication should be legal, since that too is criminalizing

Surely you don't suggest the police wait around for public defecation? Do you also suggest public intoxication should be legal, since that too is criminalizing (a certain type of) existence. All crimes are crimes of existence, it's a meaningless platitude to call it such. You merely sympathize and think street sleeping should be allowed, likely because you don't have to deal with the consequences of it happening on your front porch.