What do you think---L.A. Noire?

You should be able to play it 100%. Like you said, it's just a video game. Not real. Yet, parents have it in their mindset that "violent video games will change their children." Unless you are mentally challenged or mentally disturbed, then i doubt anyone will think these games are real and want to do the stuff they see in the game. Basically, just play the game and enjoy it!