Maybe I'm being a hard case on this but I'd call that irresponsible. Bad enough you lost the hatchling, that happens sometimes I guess but for them to ship you that female with that kind of damage and in such poor shape is absolutely disgusting! Did they represent her as healthy (other than of course being a WC you expect some issues). I hope you contacted them immediately for a full refund of her cost at least.

I also hope you have these snakes strictly quarantined as I'd worry that they probably weren't kept all that well from the look of that poor female. Probably a vet visit is in order for the survivors.

Did you check these people out on the BOI at all before purchasing from them?