"but let's remember that YC doesn't exist as a charity, it's a business."
But let's also remember that the people running YC are adults, fully capable of telling right from wrong, and fully capable of being held responsible for their actions. Being "a business" is no more of an excuse for their actions than "following orders" is.
Being able to tell right from wrong, and acting on knowing something you're doing is wrong are different things. It is much easier to do something you know is wrong, when you stand to benefit to the tune of a few dozen million dollars.
But let's also remember that the people running YC are adults, fully capable of telling right from wrong, and fully capable of being held responsible for their actions. Being "a business" is no more of an excuse for their actions than "following orders" is.