That they did not weigh the merits of this argument is...
That they did not weigh the merits of this argument is perhaps to their credit morally; but intellectually it means that they have ignored both the possibility of transforming human nature and the means available for criticizing it in the ideals which are implicit not only in the private heroic dreams of individuals, but in the very way actions may be envisaged in a given society.
For we do not have to see Aristotle’s ideal life or the ideal of a Christian saint or the ideals of chivalry as private intentions: they are the ideals implicit in the way of life of Greek gentlemen or in that of the early church in its pagan environment or in the institutions of knighthood and war.
To detach these ideals from their social environment is to evacuate them of significant content; it was Karl Marx who remarked that what Don Quixote had to learn was that not every economic order is equally compatible with knight errantry. But within their natural social environment these ideals may be used to…