Earlier quoted context omitted.
Based off the ads the author cites in the article the issue is the lack of data, not poor targeting by advertisers. For example the author wouldn't see the "Boyfriend Wanted" ad if he listed himself as married in his Facebook profile (Facebook aggressively forbids dating ads targeted towards people who list themselves as married or in a relationship). All online advertising platforms rely on advertisers to target the…
I have always listed myself as married (even as public information), yet I see a dating ad on my sidebar. The two top ads were for high heel shoes. Either FB has me pegged as a two timing trannie, or their targeting is really poor.
And for brand awareness advertising, I could see that it might be worth it, depending upon the cost. I have no intention of using eHarmony (happily married here), but I'm aware of them due to both online and offline advertising. If a coworker asks me about online dating, I'm sure I'll remember eHarmony. That brand awareness has obvious value to advertisers, and if the cost is in line with their budget, it explains the "mis-targeted" ads.