He probably never heard JC speak. Few did. The words are largely formulaic, as are the events. All the same, that is my fav Gospel, together with the writings of Paul, especially the genuine ones. That was the seedling of early Christianity in the great time before the Corporation took over.
That's just a lame thing to say.
Over and over again, academics have sniffed at the gospels and offered scenarios of their own manufacture only to be proven wrong.
Your attitude may make you feel sophisticated, but for anyone with more than a passing familiarity with the subject it is just ignorant.