A) Gotta get one of these! I have many comforters to wash, so we'd find out just how many cycles it takes to trigger the self-destruct feature. I ran six of them through my 2010 Frigidaire front-loader last month, but there was no excitement whatsoever.
B) I predict LG's "fix" for this problem will be to advise people not to wash blankets, comforters, or duvets.