It makes no sense to say Herrmann would not survive because it was AS A RESULT of his previous style that all the new filmmakers at the time (near the end of his career) wanted him - de Palma, Scorcese, etc. In other words he was sought out precisely because of his style.
If one goes back in time, and listens to prevalent scoring of others and then Herrmann, it is startling how original his style was, and how much he has influenced all film music since. At the time of Citizen Kane his first score, almost all composers for cinema were writing in a Rachmaninoff - Tchaikovsky - Liszt late Romantic derived style. Herrmann utterly contradicted that with a modern, completely different motific and harmonic approach, avoiding the leitmotif of Max Steiner, Dmitri Tiomkin, Erich Korngold etc. and creating the most original orchestration of any composer to this day.
That is a really sickening excerpt you posted. It makes me think again of how there is an entire class of composers who AS A RULE create scores by re-assembling already composed music. They do not actually compose, but re-compose. (Or should I say de-compose?)
Anyway very interesting comments here.