On the other hand, it's still quite possible for a Philippines-based startup to generate most of its revenues from wealthier countries.
Silicon Valley is a mecca for entrepreneurs looking for funding to form fast-growing, high-risk companies, and startups that need elite developers to solve challenging technical problems. On the other hand, if you're looking to start a relatively low risk, medium-return business you're less likely to get investment in the Valley and less likely to run out of cash before you start making money in the Philippines.