Though cable cut into broadcast TV’s viewership, both types of programming came under scrutiny from the U.S. government. Initially, thanks to extensive lobbying efforts, cable’s growth was suppressed to ensure that no harm came to local broadcasters and traditional TV networks’ ad revenue streams. Later, as cable developed, FCC officials worried that power and profits were growing increasingly concentrated in fewer and fewer industry players’ hands. Thus, the FCC set out to mitigate the situation through a variety of rules and regulations.