I've had that happen to some URLs I own before. Basically, they forgot to renew. Normally you get a grace period but some sketchy domain admins take the lapse as an opportunity to auction off what was originally a worthless address now that it has value.
That isn't ironic. That's entirely on brand. Ironic would be if they got taken down due to leftist infigh-actually, no, that's also on brand. I guess if Trump - no, that would also...
Yeah but on the other hand it'll hardly be the first time this community has moved. Looking at the frontpage of chapo.chat the userbase doesn't seem particularly bothered by the possibility.
I found some people alleging the sav.com is sketchy about other aspects of their service. It wouldn't surprise me if they tactically overreacted to a single missed email, or a single expired credit card, or something like that, to squeeze their client for more money.