You can say a lot of negative things about it, but it's most definitely not a "micro" bubble. The ideological influence of the US West Coast on the world at large during the past century has been de-facto defining much of the global culture, even if you limit it to just Hollywood and the Silicon Valley.
A world that were to shrug off this influence would be, for better or worse, fundamentally different.
A world that were to shrug off this influence would be, for better or worse, fundamentally different.