Google ads have earned me precisely $3.60 since I started running them, so Buh-bye. A while back, I received a mysterious e-mail from Google accusing me of click fraud, which was never adequately addressed by Google. They were never able to tell me what the behavior was that tripped their alarms, nor did they follow up my inquiries. Given this, the fact that I've earned pretty much diddley-squat and the fact that only select partners have even a remote idea of what their ad revenue cut is from Google, I thought it better to deep six AdSense than leave it running.
Sounds like the polar opposite of transparency, eh?