They don't serve ads through the api.

Big difference between political reasons and usability reasons.

I don't know how to edit submissions but I wanted to add I'm 21 with no previous job experience.

I don't understand. If we are discussing two remote positions why am I competing with less people of its in San Francisco?

There was nothing stopping them from starting their own app... Until Amazon came along.

There is nothing stopping them from starting their own data center... Until the ISPs come along.

By that logic Amazon (or any other site) can never crack down on unscrupulous behavior committed by a 3rd party.