Technical cock-up aside, why the term "activists"? Not questioning the title of the HN post, rather, wondering if I missed something going on I have missed in

Technical cock-up aside, why the term "activists"? Not questioning the title of the HN post, rather, wondering if I missed something going on I have missed in the news which would justify the term (instead of "hackers" or, even "security researchers", though the later seems to stretch the definition of responsible disclosure)