Either, both, or neither. Since they tend to vanish nearly as quick as they appear, it's hard to know what, if any, reason there is for them not being around anymore. In the case of many, it's all about the $$$, and the fact that it's an animal boning them instead of a man is a "yeah, so?" concept to them - If their material doesn't bring in money, and the reason they were doing what they were doing was to turn a buck, why on earth would you expect they'd keep doing it if they aren't getting paid, and don't have any particular interest beyond whatever money they can make?