Because its a rapidly trending story about technology; twitter is a very popular platform and likely a substantial portion of the HN crowd is on it in some fash

Because its a rapidly trending story about technology; twitter is a very popular platform and likely a substantial portion of the HN crowd is on it in some fashion. Same reason all the Musk-related changes to Twitter have appeared on HN really. New social networks picking up (real) traction is an extremely rare event and will always draw a series of stories in their wake.