How did advertisers become such puritans? Playboy magazine carried ads for normal products just fine. Every newspaper deals with "depression, gender issues, pol

How did advertisers become such puritans? Playboy magazine carried ads for normal products just fine. Every newspaper deals with "depression, gender issues, politics" and they somehow survived trough most of their history on advertising revenue. Surely there should be marketers that see "Imagine a viral picture of your ad next to one of those posts." and realize that everything apart from "Imagine a viral picture of your ad" is often irrelevant.