No it's not. It's not even remotely comparable.
> There is a small group of companies that create the reputation on which everybody lives
Also called luck. YC investors cannot articulate what made them successful, or else they'd have better results.
Universities have decades of sustained output. They are not comparable.
> you joining some arbitrary YC startup was a bad experience
I am at a YC unicorn. We are one of YC's most successful startups.
> The average performance of a YC company is __phenomenal__
It absolutely is not. It doesn't even beat the SP500. The __vast__ majority of YC companies are unprofitable failures.
You could flip a coin and beat YC.