Yeah, I wasn't really challenging what you said, Bookgrl. I just putting my bit in. I really don't blame people for wanting to drive up to get things done, disabled or not. It's easier. I also don't think obesity has anything to do with drive-thrus, but I think you know where I stand on that, and it doesn't really go in this thread. Suffice to say, when it comes to physical activity, I don't think correlation always equals causation, especially when you factor in calorie consumption later in the day and the tiny amounts of calories burnt by doing things like taking the stairs or standing in line in a fast food restaurant, even cumulative over a day. It's a bit like saying fat clothes cause obesity because you always see fat people wearing them, and they've gotten really popular in the past few decades.
I personally just wish that more thought was put into developing countries' infrastructures and businesses around the idea that every adult would own an automobile and they'd rarely want to get out of it. Yeah, hindsight is 20/20, but it doesn't mean we have to keep on doing things the way we always have.