To tie up a couple loose ends in my blog:

gtx is almost certainly useless to explain by now. The only danger is if it's not respected and gets me into trouble. But I'll trust in the goodness in people. If the opportunity presents itself, I don't mind explaining it, but I'm definitely not going to go out of my way to deal with this.

poo is absolutely not worth it at all to explain. I don't even know if it's still hanging around.