> In my opinion, inappropriately leaked information should probably be considered private.

How is that relevant to BSky's terms of service? The information was public and did not identify the person.

> But even if not, Singal says the same leaker directly contacted him with a new leak, which he also published.

I notice that you didn't say whether this new leak was private information, or whether it was also already public knowledge, or whether it in any way identified a person.