Here we go again. We already have "equal pay for equal work". If some people choose careers requiring lower skills and so lower incomes, why should the diligent have to support their career choices?
Super is effectively deferred pay, and if you are capable of earning higher pay then your super balance will be correspondingly larger. Get over it, and either get a better education or work harder.
Women live longer than men, so should retire at a couple of years older age, helping compensate for any years that they may have skipped from the workforce, while giving them equivalent retirement years as men.