Not only is fast food convenient, it is essential to the most vulnerable in our society. Burger King provides food fast and cheaply. Simply stated, working class people cannot afford not to eat fast food [1].
In many locations, Burger King is the only fast food restaurant in the area [2]. In many of those same locations, public transit is inadequate for the purposes of going to a competing fast food restaurant. Establishing a fast food restaurant that can compete with Burger King requires so much work and capital that doing so is impossible for someone already working two jobs. For all intents and purposes, Burger King has a monopoly on an essential service.
Here's where it gets scary. Burger King preferentially serves proprietary, branded food items, and beverages from Coca-Cola, for which they've made an exclusive, behind-closed-doors deal... for money [3]. Have you ever noticed that it's impossible to get a McDonald's Burger or a Pepsi at a Burger King? With customers being shut out from these discussions, it's not surprising that the products they serve are unhealthy.
The common sense solution to all of this is to classify fast food joints as public utilities, and then demand that they serve food without regard to its origin. Fast food is far more important than high speed internet. And while the repeal of net neutrality regulations lead to the death of the internet... the lack of food neutrality will lead to death.
/s
[1] http://frac.org/obesity-health/low-income-food-insecure-peop...
[2] http://www.fastfoodmaps.com/
[3] http://www.businessinsider.com/restaurants-that-serve-coke-v...