Meditation Techniques: Is Meditation Selfish?

Is meditation selfish? That is a question that keeps coming up. Thousands of years ago there was a division among Buddhists. The Mahayana school suggested rather strongly that the old-school Theraveda group had become too sel-centered in their practices. I cannot speak to the rightness or wrongness of this, but I have spent a great deal of time with Theraveda people, and they are uniformly open-hearted, generous and service oriented, Here's parts of the article that got me thinking

Is Meditation Selfish