4. Google gets paid, rather than all the money going to the actual website.
4. Google gets paid, rather than all the money going to the actual website.
If anything, more entities bidding for the ad means the prices can go higher and the website gets more money (though I imagine any difference here would be undetectable).
Because the point is that a lot of people who block ads, don't actually like advertising. I would hazard a guess that they want to support websites, but they don't want to support advertising companies, and validate their business.
Google's primary job is to make billions of dollars of profit. I believe an organization like that has all the more incentive to inflate the fees and pocket as much as possible.
Now, personally, I don't think Google pays me enough to run AdSense on any of my sites. It's frankly not even close, so the fee isn't the issue -- it's just a bad fit for the volume and type of content I produce. I can see why it's great for many other publishers though.
In fact there are many niche ad networks with fees much higher than Google, but they actually pay publishers more because they also charge the advertisers much more.