Marc Piasecki via Getty Images; Stefani Reynolds/AFP via Getty Images
- Melinda French Gates thinks the new generation of billionaire activists aren't doing enough.
- French Gates also called Elon Musk's criticism of her political endorsements "silly."
- French Gates says she will continue to give to organizations that support women's rights.
Melinda French Gates says the new generation of billionaires, like Elon Musk and Peter Thiel, these days primarily use their "megaphones" instead of their bank accounts to effect change.