Complex sentence: He has been accused by film critics and intelligentsia for endless explanatory dialogue that does ont respect the viewers' intelligence, on the other hand, he is blamed for not adequately addressing subplots of his film.
Split into simpler sentences: He has been accused by film critics and intelligentsia for endless explanatory dialogue that does not respect the viewers' intelligence. On the other hand, he is blamed for not adequately addressing subplots of his film.