Just for comparison: Eluveitie, a folk metal band, went through an extreme line-up change recently. Band members left through the years, but last year the band leader wanted the drummer gone, and so the other longtime members (guitar player and female vocalist / hurdy gurdy player), all close friends, decided to leave as well, and they formed a new band together, Cellar Darling.
Yesterday Eluveitie posted an update about their new album, and someone replied "Hey, planning on firing any more members? in case we get to hear more music, Cellar Darling has a new album and it's great" (something like that).
The band (Surely the band leader actually, the main force of the band) replied something like: "Not anytime soon. And yes, we've heard their album and we love it".
Such a provoking reply, and such a classy and witty answer. That's how you should always handle drama on social media.