As wrong as he was about Islam, Maher was right on about this. I think part of the allure of "both the Left and the Right do it" is the desire to not look like you're hawking anything, to appear to your adversaries, and the undecided that you're "open-minded." I don't actually think it fools anyone.
Cooking for yourself is one of the surest ways to eat well. Bestselling author Mark Bittman teaches James Hamblin the recipe that everyone is Googling.