You'll note that Proton's PR only mentions the second date - " last one on Sep 6 with a 48-hour deadline."

Proton doesn't mention that the first email from Phrack which Proton ignored was weeks prior to that, which is what led to the second email in the first place.

You'll also note that Proton doesn't mention that their Abuse Team refused to re-anable the account after the article author did the appeals process, as per Phrack's timeline at the top of their article.