> I'm not sure we will still be a society if we eliminate family bonds.
There's a significant difference between not having nepotism and eliminating family bonds.
> We are tribal and protect our families.
Many of virtuous_signal's arguments boiled down to the observation that protecting your family via nepotism or dynastic preference isn't even necessarily good for the effected family member in the long run. I think that poster makes a good argument that dynastic preference in university admissions is a net negative for its beneficiaries.
The negatives of nepotism also show up in business, where, with rare exception, nepotism tends to genereate a huge drain on both productivity and external respect.