As someone who's born and raised in San Francisco, I'd like to say that I AGREE with the sentiment that there is no California style dough. At least, there is not SINGLE style of California dough.
There are plenty of experimental pizzas in California, and some are better than others. But even the ones I didn't care fore, I still appreciate for the care that goes behind their creation.
In terms of toppings, I do think there's a definite California pizza style. It was born in Berkeley, CA, by Alice Waters. It stems from a philosophy of using fresh, high quality, organic, seasonal, locally-sourced ingredients.
Some of my favorite so-called California style crust pizzas include Gialina's and PizzaHacker: both in San Francisco. Both very different. But both very much California style, in my eyes. There are others too. Plenty of others. But those are my top 2.