@clintflint - I'm not a huge fan of people thinking they have to lose weight to be happy, but if someone wants to concentrate on losing body fat and is going about it in a relatively healthy way, then that's their prerogative.
It's not always about appearing skinny. There are sports where it's better to have a leaner body and they methodically attempt to lose body fat while maintaining fitness.
But even if it is about aesthetics, I think that's OK. As long as people don't beat themselves or others up about it, then they should be able to do what they want. And wanting to burn fat is not the worst thing in the world. It's not shallow and it can definitely improve your health in some cases.