So is your answer, "none of them"?
'If the system changes, then it produces a different set of results'
I could use my godlike powers to create a true democracy, a dictatorship or a theocracy. Different people would raise to the top in each case.
Pointing to the people who have risen to the top for any one of those and saying 'if you changed the system, none of those people would be there' is simply a trivial truism, it is not an argument for not changing the system.
Conclusion: most YC companies are significantly dependent on IP laws to operate.
Its widely accepted that where an absence of evidence exists, it is logically and scientifically reasonable to come to a conclusion based on an individual's personal bias.