I would say any behavior that is not the status quo is interpreted as insanity, when, in fact, it might actually be enlightenment. Insanity is sorta in the eye of the beholder. ↗
Among those who are satisfactory in this respect it is desirable to have represented as great a diversity of intellectual tradition, social milieu and personal character as possible. ↗
But the fact a person denies that he is theorising is no reason for taking him at his word and failing to investigate what implicit theory is involved in his statements. ↗
It is that of increasing knowledge of empirical fact, intimately combined with changing interpretations of this body of fact - hence changing general statements about it - and, not least, a changing a structure of the theoretical system. ↗
Now obviously the propositions of the system have reference to matters of empirical fact; if they did not, they could have no claim to be called scientific. ↗