I know that targeted advertising is more effective and I am not disputing that. I did not dispute it in my comment. I am disputing your random assertion that,

I know that targeted advertising is more effective and I am not disputing that. I did not dispute it in my comment. I am disputing your random assertion that, if advertising became less effective (say by removing targeting), the quantity of advertising that people see would go up significantly. The amount of adverts that people see currently is not based solely on their economic value - it is based on their value relative to how much people are willing to put up with being advertised to. If advertising becomes less valuable, that doesn't mean people will suddenly put up with more of it. Indeed, if the value of adverts went down, I would expect to see fewer advertisements, not more, since the value of showing them to people is now less relative to their willingness to put up with them.