IA works the same way as much of the internet, they allow users to upload whatever and respond to DMCA claims.

dvh a day ago | parent [-]

Congrats for making 45 millionth comment on HN

What do you mean?

	▲	dvh 19 hours ago \| parent [-]
		Your comment was 45 millionth one. https://news.ycombinator.com/item?id=45000000