It was relatively easy to call someone at the local TV station or newspaper and get a response to a complaint about a news story or an advertisement.
Broadcasters lived in fear of the Federal Communications Commission (FCC) and newspapers valued their reputation as upright and respectable sources of information.
Simply put, the scale of the problem is huge but the perpetrators are mostly individuals or, at the most, small groups.
It's like trying to enforce speed limits -- so many people break the law that they overwhelm enforcement efforts.
An emailed complaint to a dating website is mixed in with thousands of other emails, most of them spam.