You can also check this thread
https://bitcointalk.org/index.php?topic=83328.0BTW, is Andrew Bitcoiner and BitcoinAdvertisers.com the same person?
If users violated the TOS they should be warned and/or blocked from using the service instead of letting them display the ads (and maybe people click on them too) but not pay them for that.
Yes, they don't tell anyone that their account is blocked unless you email them, the ads were still showing on my site for ages.