"Want to lose weight? Reduce your caloric intake. Period."
You're right, of course, for most people (including me), David. But I do think there's more to it than that, since losing weight isn't the only goal. Having a better level of fitness is, which is more than just losing weight. So increasing exercise is a necessary part of my path to better fitness.
And, besides, back to reducing caloric intake, eating healthy is actually an easy way to reduce caloric intake. Paleo and Primal and others are really just blueprints to eating healthier foods. I'm one of those folks who does much better with a 'blueprint' when trying to better my fitness. It doesn't matter that I know how to eat healthy, I know how to exercise, I know what's good for me. I'm wired in such a way that having a 'program' to follow helps me immensely, so I'm quite happy that there are programs - that make sense (to me) and are backed by science - to assist me in my journey.
And Miguel, Karl, Ike, Brian and others, your encouragement helps immensely as well. I truly appreciate the kind words.