I don't think the paper is arguing whether it is a reasonable exponent or not. They are just saying IF the exponent is -24 or smaller, then there is more than one technologically advanced species. It makes no claim about how close to reality that exponent is.
Comments
I don't think the paper is arguing whether it is a reasonable exponent or not. They are just saying IF the exponent is -24 or smaller, then there is more than one technologically advanced species. It makes no claim about how close to reality that exponent is.
Right, TFA is at least as pointless as the Drake equation itself.