I've been making the chilling effects argument for several years:
http://www.dbms2.com/2013/07/08/privacy-data-use-chilling-ef...
http://www.dbms2.com/2013/07/29/very-chilling-effects/
http://www.dbms2.com/2015/06/14/chilling-effects-revisited/
This article makes it with reasonable, appropriate breadth.