I've noticed the same. Not sure if the word their term thermoset only applies to less than a few hundred degrees more than the baking temp. Either way misnomer applies in my definition of the term thermoset too.
Right now it seems we are reaching the limits of the current PC's being used. Maybe something comes along to reset the course. Ill have a chance to figure somethings out and maybe get a little testing in here soon. We'll see what happens and I hope I have something worth sharing.