"Intelligent and informed" is highly compatible with "not willing to devote X amount of time to learning about the Ashkenazi population and their deficits in comparison to other European groups to compensate for the laziness and/or carelessness and/or rudeness of a poster easily capable of sharing that tidbit of data". You are not just leaving off the last line in a simple syllogism or neglecting to define a common word here. This is an obscure fact in an obscure area on a blog that does not select for an audience of geneticists or rabbis or whatever area of expertise is relevant to your point.