I agree with this. In fact - it's reasonable to take the same attitude toward these numbers as "age of the universe, in billions of years" type numbers: the err

I agree with this. In fact - it's reasonable to take the same attitude toward these numbers as "age of the universe, in billions of years" type numbers: the error bars are pretty big! But the OOM is basically correct, and that's Good Enough (tm) for most people's purposes, including academics in far away fields like climatology.