The author blatantly ignores modes of communications. A discussion of two specialists' will be completely impenetrable to a layman. However, this fact says not

The author blatantly ignores modes of communications. A discussion of two specialists' will be completely impenetrable to a layman. However, this fact says nothing about the specialists'. An 'intelligent' specialist should be able to communicate ideas from his field to a layman, but the efficiency of this communication will be much lower than of the discussion from the example above.