In the aspect of storytelling and filmmaking, all the bad things are real, all the good things are fake. It still belongs to the one best kind of American contemporary film though, thanks the author and Ron Howard. I do hate how Hollywood has made the relink-the-drama-back-to-real-life a new cliche. It actually got old and sour.
For those who don't know much about Vegas, apparently after watching the show you will think this is a city full of crazy people and there are only 2 casinos: the Mediterranean and the Four Queens.