They are professionally focused; their education does not orient them to the wide contours of the world.
This seems an icredible generalization. I suspect it might be true of individuals who are interested in and then trained for a parochial and techical interest in a science because they acientally became aquainted with the matter but there are still people who have a general curiosity for all things; why should there be fewer of the than before? In fact, with the advent of available information from library books or much increased educational institutions, such a general curiosity is only more handily fostered and reinforced.
