It's a valid use but, given the context, it may have been click-bait. I've heard the term 'culture bubble' before, and I think that would have been more appropr

It's a valid use but, given the context, it may have been click-bait. I've heard the term 'culture bubble' before, and I think that would have been more appropriate, especially when the concept of an economic bubble around Silicon Valley is already being talked about.