In that sentence, Asimov refers to the popular conception of the elite -- a very low standard -- and not some elite that is defined as the top 1% of society by

In that sentence, Asimov refers to the popular conception of the elite -- a very low standard -- and not some elite that is defined as the top 1% of society by some measure. On this popular conception of the elite, almost anyone can be a member. All you really need to do is regularly read a news publication.