[jkestner]

Elizabeth Warren's plan does just this by designating such companies as “platform utilities”: https://medium.com/@teamwarren/heres-how-we-can-break-up-big...

I agree a diverse marketplace is a healthy one, and that requires intervention since clearly the initial rules are not enough. Some like to pretend that free markets are only negatively impacted by regulation, and only positively impacted by its participants.