I've watched the film and I agree that is is a little to glossed over and hollywoody so to speak. Using this law to attract love and personal wealth only proves the type they are trying to target with this movie.
The law of attraction is very real and has been known since olden times, but what the film fails to mention is that working with the law of attraction is not something you just sit down and do. It's a mastery and depending on the individual can take years to properly understand how to work with it.
Telling someone to just start working with the law of attraction would be the equivalent to telling anyone who has never played the piano before to sit at one and play Chopin.