"Everyone in San Diego is superficial"
Everyone YOU know in San Diego is superficial.
Did you think you were going to meet genuine people trying to make it as a screenwriter in LA? Did you expect to meet your soulmate at a networking event in San Diego?
As a writer, I meet loads of people every day, and I’ve made maybe one genuine friend out of that mix. Yes, I get along with many editors, other writers, and publicists, but the group of people I consider my heart-of-heart friends are a very small group completely unrelated to my work. They’re friends I went to college with, who introduced me to their childhood friends, who I’ve shared strong communication with, as well as a number of plates of food.
You can’t surround yourself with a very specific demographic of people (again, usually NOT from San Diego) and then make the general assumption that everyone is out to get something from you. Unless you’re at a networking event, in which case they are, which is usually a job.