The most effective antitrust measures at this point would probably be nationalization, like we should have done with the banks in 2008 instead of handing them $700 billion of taxpayer money and asking them nicely to behave themselves (and guess what, subprime mortgages are back). Make Google and Amazon infrastructure, like the USPS and streetlights and water mains.
this only transfers our trust from companies to governments, which already has lots of power.
the internet could end up like it did in Cuba and China
on top of that, you would also have to think about those services being provided to people outside your country.
We're a place where coders share, stay up-to-date and grow their careers.
We strive for transparency and don't collect excess data.