Ha! Ha! I am so stupid. When people from wealthy countries take a better way of doing things to the third world to make their life better we think it is so ignorant for them not to accept our ways.I guess we can all be ignorant sometimes.
My daughter and her husband are climbing Aconcagua in Argentina this week. I have not converted my son in law to use a chimney yet but the group they are climbing with are using a separate cook tent with a chimney.