Vantaggi
Few and far between. Namely the people on the ground, if you find a good egg they are really good. Marketing know their stuff and produce brilliant content time and time again.
Svantaggi
Literally everything else. The existing bad reviews say it all. Whatever you are imagining, its ten times worse. They have zero care for anyone on the ground and there is a MASSIVE culture of favouritism. If you aren't in the inner circle expect to be treated like an object. They will pick you up, promise the world and then drop you and forget it all as soon as it is convenient. The general attitude is 'make as much money as possible, or else', nothing is every good enough for them and no amount of good will, overtime or tenure will save you if they decide they're finished with you. I cannot put into words how badly myself and my closest colleagues have been treated over the course of our employments but know that if I could go back to the day I applied for this job, I would sooner have run as far in the opposite direction as possible.