Ventajas
They will tell you whatever you want to hear while they are trying to hire you (research opportunities, flexible hours, WFH etc)
Desventajas
but upon hire, they will use and abuse you as the scaffolding upon which their entire enterprise shockingly is based. Without you none of the rest of the enterprise would be possible, yet they will speak down to you and make you feel like their absolute slave, making barely above a living wage.