Doubling down on this point, there are undoubtably people who went to Olin not planning to be a founder, who decided to be because they knew someone else who was a good role-model for them.

This is not dissimilar from the old boy network that makes Washington and Lee the single university which most increases your median earning potential. (See https://en.wikipedia.org/wiki/The_Economist_Magazine%27s_Lis... for where I got that from.)