Reading through the articles and linked articles in the comments, gas stove emissions contribute to, not a direct cause of, the deaths of .04% of the 50 million people in the US that use gas stoves.
Not saying this isn't important, but I don't think this will ever crack the top 10 concerns of my lifetime.
Fast food isn't a luxury. A luxury is something extravagant, high quality, and highly enjoyable. Fast food is simply an overpriced disappointment.