Earlier quoted context omitted.
I believe it's necessary to repeat this point because of the constant churn of new users who are otherwise ignorant of Google's business model. I still hear people say, "I'm so glad Google is nice enough to give us free apps!"
I don't believe you actually ever heard anyone say that.
It's nice when Google does things that benefit a lot of people, but they're a for-profit corporation and not motivated primarily by altruism. People might not fully understand that or its significance and simply enjoy Google products, but I think it's useful knowledge.