Donnie G: What's wrong with using your smartphone's camera as your primary, and perhaps only, picture taking device? Absolutely nothing! There are a lot of people out there who are being introduced to the joy of photography who may never have been, and it's all because of those cameras built into their phones that we "real photographers" love to bash. Why do you think the market for new and used cameras has been steadily growing these past few years? A lot of those novice picture takers grow up and buy "real cameras" as a direct result of their camera-phone involvement. That makes it a win win for everybody.
Nothing wrong with it, if you only use it for Flickr.