Criss is disliked by laymen because he broke the cardinal rule - He let them figure out how he was cheating. As soon as it was clearly revealed he used at least one camera trick, people assumed it was all camera tricks, and his popularity plummeted. Magicians don't like him because he's super successful, and a jerk.
Coin magic is, in my opinion, one of the more difficult genres to make seem actually magical. Because it is so easy for it to be a game of guess where the coin is. It's also one of the more beautiful genres to watch the method for. Seeing Shoot Ogawa do a coin routine is beautiful from the audience's perspective, and just as beautiful when he turns around to explain it.
EatCT is a great book. To study. Once you've already got a handle on sleight of hand, and you're ready to slog through the unusual writing style. It will teach you a lot about sleight of hand, but you have to study it, you can't just read it once and go on your merry way.
Oh. Here's a bit more:
Most magicians perform too many tricks in their shows. They don't give enough time for the audience to appreciate what they are seeing.
And, putting a mind reading trick in the act doesn't make one a mentalist. Or mind reader. They are still just a magician. (And that's OK)