The biggest value in Silicon Valley outside of access to capital is something I didn't mention in the article. It is the network of people who are very capable that you can get to know who know a lot about the specific fields you are entering (e.g. mobile, hardware, VR, semi-conductors etc)
There are pluses and minuses to being here, but there will always be capital available to those that are solving real problems. Some of the best companies were started in downturns (e.g. Facebook 2007 I believe?)
Thanks for the comment, thoughts?