I don't understand why you make the distinction between Silicon Valley and not Silicon Valley because where something is done makes absolutely zero difference as to if it's a good idea to use software or not.

If there was a text editor that you thought was good but was only in use in Silicon Valley would you still recommend it? I've never ever in my life discounted a piece of software because it was only in use in Silicon Valley.

Maybe you could expand on the argument because I don't understand it clearly!