These are what leaked. Which is to say that it is very naive to assume that large powerful organization is not going to use its power for gain.
Microsoft and Facebook both use the scanning to network your connections and to build profiles of users to better manipulate your behavior. Hence the Cambridge Analytica Scandal let alone what we dont know about.
Why hand over power to these super powerful and large orgs? What do we supposedly gain as a society? I mean look at flock and Palantir, all it takes is for the political winds to change and the power is there because of these bills.