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All else equal, sure, but wouldn't advertisers change the content and style of the ad knowing if it will be targeted or not?

Can't broad and shallow be manipulative--"keeping up with Joneses"--while deep and narrow is purely informational?

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If that was the case, why bother doing targeting at all? It costs a lot of time and money to gather all those adds, so if it wasn't better, there'd be no point

Why would an advertiser ever choose a “less manipulative” ad version because they know more about their potential client? “Good will” seems woefully idealistic.

Because people can sometimes detect when someone is trying to manipulate them (we're having this discussion after all), and it might backfire?

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