Obvious disadvantage is inheriting an existing presumably unionized pilot group, which could then ask for and probably get industry-average NB rates... probably not what a startup really wants, since they are all about leveraging and cashing in on low longevity and startup mentality sacrifice. A crusty, bitter, old regional pilot group won't be going for that koolaid...

But in this climate, that might be the only choice to acquire experienced, competent pilots. I saw that as the real show-stopper for a startup right now, but it might work if he "saves" some smaller regional from their inevitable fate.