They're legal because the government has not decided to make them illegal. If th...

		azernik on Oct 21, 2016 \| parent \| context \| favorite \| on: Cuomo signs bill prohibiting Airbnb listings in NY... They're legal because the government has not decided to make them illegal. If the government decides that your lemonade stand is a danger to public health, or that your stamp collection is a national patrimony and cannot leave the country, it will make new laws that enforce those decisions.

Or, they're illegal, but the law isn't enforced, so people feel they are legal.