The media and communication spending efforts of these two families were instrumental in electing specific individuals that directly enabled the shifting of GDP accrual from labour away to capital. (In particular getting people elected who reduce corporate tax/capital gains tax/upper-decile income tax, limit unions, limit minimum wages and individual social protection.)

Yes, lots of other billionaires are individually union-busting, underpaying, colluding against workers in their companies - but the ones above suborn legislation in multiple countries to do it for them.