Its not really siphoning money off, tho. It is an exchange of money for services rendered. From what I saw in comments and the (paywalled) article, the problem

Its not really siphoning money off, tho. It is an exchange of money for services rendered. From what I saw in comments and the (paywalled) article, the problem is that Google isn't siphoning money. They're keeping the ad-space for themselves.