"The trap is that you then just start doing stuff about Hollywood, which I don't really want to do"

In this quote, Josh Schwartz is expressing his hesitation to end up being involved in the Hollywood scene. He is alerting that if he does, he will end up being caught in a cycle of doing things associated with Hollywood that he does not want to do. He is likely describing the pressure to comply with the norms of the industry, such as participating in occasions, networking, and taking on jobs that might not be of interest to him. He is likewise most likely referring to the capacity for his work to become overshadowed by the glamour and glamour of Hollywood. By alerting himself of the potential trap, he is reminding himself to stay true to his own innovative vision and to not be swayed by the allure of Hollywood.