I wouldn't give it a second thought, because its only common knowledge to the people who are right into FPV. I would also get into the habit of questioning everything so called experts tell you. I've learned the hard way that most of the knowledge you tap into on forum boards it not based on experience at all.
I've slowly become far more knowledgeable with the 5.8Ghz frequency band and I cannot believe some of the comments I've seen posted on forum boards about it. So please
don't try harder, just enjoy and ask away . . . hell I do