I think most of the aversion to "pink slime" is because there was a photo circulating on the internet that made it look gross. Well, it just looks like ground beef that's more finely ground.
What did people think McNuggets were made from? Like there is a pile of chicken breasts in the dumpster with little mcnugget-shaped holes in them? You're eating fast food. It's crap. If you don't want crap then don't eat fast food. If you don't eat fast food then who cares about this.
Anyway, ammonia is all over your house. It's used to treat wood, it's in the cleaning chemicals you buy or in the chemicals that are cleaned other places you go. It's all over the environment. It's Nitrogen and Hydrogen.