Originally Posted by GotGarlic
From the searching I've done, it seems that heating the pot empty on the stovetop can cause damage, but heating it in the oven does not. I guess it's the direct heat that is the problem.
That makes sense, as you will get a temperature differential on the stove, where you won't in the oven. The instructions from Lodge say not to heat an empty DI (which shows that not all guys don't read instructions, but may not necessarily listen to them!). I'm also thinking that if you heat an empty DI and then dump a gallon of broth in it, you will thermal shock the DI, which is why they say "Don't do it!".