If he is suggesting that he is flat out wrong. There are quite a few free apps that use ads as a way of supporting themselves but the OS has no ads itself. And

If he is suggesting that he is flat out wrong. There are quite a few free apps that use ads as a way of supporting themselves but the OS has no ads itself. And you can almost always purchase premium versions of the apps that remove the ads as well. Not to mention with Android there is the possibility of using something like AdAway