Vantaggi
They're very skillful at luring competent, busy professionals to try out for a position. Let's just say they're proficient at marketing themselves, albeit at a superficial level. After this, it's all downhill at rocket speed.
Svantaggi
Absolute lack of professional behavior, or consideration, for other people's time or competing opportunities. After a bizarre experience involving two phone interviews, and an in-person interview with ten people at this company, don't hold your breath for any sort of follow-up or even the courtesy of someone responding to an e-mail. The strangest thing is, during the interview, they'll practically roll out the red carpet and start discussing start dates with you and then... radio silence. Talk about ghosting!