Thanks Crockett for your insight.
This is one of the most highly debated topics I have seen on FRF and it will go on and on.
To each his own because it is their camper and their life.
And if they feel safe doing it, I won't tell them that they are wrong. It's worked for them for years and they haven't had a problem.
And yes, it could very well catch fire sitting at a campsite.
I'm just not going to do it because it makes me feel fuzzy when I don't.