Advertisers are actually more aware of this than the author writes, I think he's just being politically correct. They're also aware of how inneficient offline media (TV, billboards) are.<p>I think this is just another case of "no one ever got fired for buying IBM", e.g. "no one ever got fired for advertising on TV or buying Google Ads or doing what the agency told them to do".<p>Solving this problem is not yet, unfortunately, a priority for advertisers. I wonder for how long.