HN does not organize large amounts of copyright-protected works, nor are the links to articles an 'upload'. If HN organized PDFs of the linked articles so you could just skip heading to a third party site then we'd be talking.

'meant' is not a dangerous word. All laws require interpretation, which is why most countries have specific interpretation guidelines for legislation and even then sometimes it takes a few cracks at the can to get it right.

That's not something 'dangerous', although it can and does go wrong from time to time. But it's a standard risk of rulemaking as it's the standard process for courts interfacing with legislation or other rule-making texts.