It's possible to go to the market, buy good ingredients, and make yourself a healthy meal for less than it costs to buy a value meal at McDonald's.
I think people are sort of waking up to it now, how probably the biggest change in Internet media isn't the immediacy of it, or the low costs, but the measurability. Which is actually terrifying if you're a traditional journalist, and used to pushing what people ought to like, or what you think they ought to like.
Detroit is really a model for how wealthier and whiter Americans escape the costs of public goods they'd otherwise share with poorer and darker Americans.