I guess, because as their prospective investor states: "Their likelihood of success in the Netherlands is close to zero". But to further parse your snarky bait

I guess, because as their prospective investor states: "Their likelihood of success in the Netherlands is close to zero". But to further parse your snarky bait: Maybe they're not so smart; or, maybe their estimation of "highest quality of life in the world" differs from yours; or, maybe it's because the U.S. is a wonderful place to start and grow businesses and families.