Yet if everyone made supporting their family through the generations their primary goal it would lead to incredible inequality as the advantages of those born to well off family allowed them to make their kids even better off and so on, while the less well off could never catch up. We know from experience that excessive levels of inequality leads to destruction of society.

The cluelessness is just baffling. I wrote a much longer reply but there's no point in pursuing this further...

Please do reply, I'm genuinely interested.