As suspected by many...it isn't fast-food that should be 'demonized', but instead merely what you choose to put in your body. You always get much bigger portions of the food you order at a sit-down restaurant, and most of the materials in the food are the same as what is in fast-food.
This guy seems to suggest that for the most part, the sandwich is alright for what it is...and what needs to be avoided are tons of saturated fat (like in French-fries) and tons of sugars (like in sodas or smoothies). Then watch the portions, and you can eat at fast-food place and still eat within a decent diet's parameters.
It is not in this video, but I recall reading another article recently that studied people's weight that were in proximity to fast-food establishments, and weight of populations just near a market. Neither turned up any more or less weight issues based on their proximity to fast-food. Things were about the same amount of weight issues for a population near either establishment.
Interesting information. What do you think?