Businesstraveller, There is also the problem of the massed effect of many items emitting RF at the same time. For example, on the taxi in from the runway, if 100 people all put their mobiles on at the same time.
I hope that our tame radio engineer
radeng will be along shortly, he can point you to the numerous threads on this issue.
Yes, I agree the rules are probably OTT but I'm happy with that. Now, if only the govt and banks had had financial rules that were OTT, our economy would not have crashed and burnt.