This is absolutely false. It's an absurd thing to say that founders over a certain age are washed up — and it's a lie to say that is something we believe.

Startups move to the Bay Area for three months and go anywhere it makes sense to put their startup afterwards. Many companies even move the founder's families over the three months (easier in the Summer).

Also https://news.ycombinator.com/item?id=9031697 and http://www.femalefounderstories.com/erica-brescia.html