Plastic and what I refuse to use it for

I can accept plastic houses, fake plants, toys, replacement body parts, windows, nails (both finger and construction), curtains, cars, playground bedding, tools.....this list goes on. There are lots of great uses for plastic and, recycled or not, it's a bizillion dollar industry. I have come to terms with it's pervasiveness in my life (had to with Lil'Bug's silicon "binky") BUT I still get nervous, anxious, and downright astonished when food comes with instructions to put it in the 425 degree OVEN in a freakin' plastic bag. I can't bring myself to do it, or even look in the oven when dearest husband takes over cooking duties. I can't do it because plastic should and does melt and/or catch fire and the thinner the plastic the more fragile it is- right? Then by logic plastic bags should not go in the 425 degree oven, but they do and we even have a box of "baking bags" in our pantry.

It's just not right.