[Timon3]

Come on, we all know that marketing goes further than that. Very simple example to disprove your thought-ending comment:

I am a hypothetical gun shop owner and want to increase sales, so I put up ads that talk about the need to defend against high crime rates onto any search that might be related to the local area, anything about security, anything for new renters and owners. Without telling people that the area has a high crime rate, people will start to believe that it does, and that they need to protect themselves.