He is notorious for his wilful exaggeration, both in narrative and numerical statements.
But there was exaggeration in all he attempted.
Bactria about this time was said to contain a thousand cities, and though this may be an exaggeration it was probably a meeting-place of Persian and Hellenic culture: its kings Demetrius and Eucratides had invaded India.
Surely that was an exaggeration - infidelity had to be worse.
Tennyson, who only knew the Arthurian story through the medium of Malory, has, by exaggeration, largely contributed to this misunderstanding.