A few hundred pages each of cocaine-induced writing mania. If he had a point, he should have been able to make it more succintly.
And most of it derived from the littlest of empirical evidence. He writes at length about Anna O. or another patient of his; in all probably no more than half a dozen. In medicine, that is just ridiculous.
He writes hundred on pages on Leonardo; and concludes to his homosexuality based on a pun in german. I shit you not: Leonardo once wrote he had dreamt of a bird landing on his bed or something. Freud runs with this, pointing out (wrongly, it turns out) that the egyptian bird-god is "Mut" (in Egyptian (which Leonardo doesn't speak)), which sounds like "mutter" (in German (which Leonardo probably doesn't speak either)), and ... that's why he was gay.
The ellipsis in the previous sentence covers maybe 200 pages.

A 'centrist' is someone who's neither on the left, nor on the left.