The only "they" you need to worry about when it comes to power supplies, are the handful of engineers and reviewers (Usually also engineers of some kind) that work day in and day out with power supplies. One of them happens to be the person responding to your questions in this thread, Jon Gerow, also known as Jonny Guru, who happens to be probably one of the top five or ten people in the world when it comes to being knowledgeable in the area of PC power supplies, and is also the head of power supply engineering for Corsair, among other titles held there. So, if ANYBODY in the world knows what a given Corsair power supply is capable of handling, it's him. There is absolutely no need to ask ANYBODY else, no matter who they are, a question regarding a Corsair power supply (Or most ANY power supply meant for use in a personal computing device for that matter) that he has already answered.
While it's true that Jon is human too, like the rest of us, it's equally true that you are about as likely to get a wrong answer in this area from him as you are to personally be smacked by an asteroid that has traveled across the universe with the sole intention of making it to Earth just to hit you.