Sure, but the point is that Twitter would be justified in proactively removing said content before a legal order to that effect got served. More broadly, Twitt

Sure, but the point is that Twitter would be justified in proactively removing said content before a legal order to that effect got served. More broadly, Twitter is not obligated to keep tweets up from anyone to anyone. It would be rather silly if, for example, all tweets from north america got deleted and people got up in arms accusing it of "censorship" (in a hypothetical scenario where unbeknownst to them, there was a catastrophic infrastructure failure).