Anyone can be a part of Google AdSense and make money. I'm a member and have it on several of my websites. The actual amount made off it is very small unless you have HUGE click thrus. In six months I have yet to make enough money off of Google to get a single payment from them. So I seriously doubt that SCG is making any kind of real money off of that. Their money was made off the real ads that were true page placements for direct paying companies. Ads you don't see anymore at the top of bottom such as the HP ads that were not Google. And others. I have a feeling their ad revenue has probably dropped to about nil from true paying advertisers. Google is probably enough to keep the servers online and that's it.
Also, look at the TOS ... revenue sharing was never guaranteed and could be suspended at any time. Nothing false in what they are doing. They are, unfortunately, a victim of the times we live in here in the USA. Times are tough ... and going to get a whole lot tougher. And in the end, the entire world will feel the squeeze. Right now, I'm just glad they still keep the servers up and offer a free place to post my items. If we loose that, then we truly have lost.
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I don't fear God anymore. Anything he/she can do to me now is only adding insult to injury!