Earlier quoted context omitted.
Or any appeal system at all. The only way to get unbanned is to get noticed by a human at Google - through a non-Google channel, because Google channels are specifically designed never to bother humans.
Google channels are specifically designed never to bother humans This is not really true; Google does answer customer support queries for products that have customer support. Google Wallet and Google Apps are two products with dedicated 24/7 phone support.
Content providers are not the customer. Google is the customer and the content provider is the vendor. Google can make whatever decisions Google wants to make about who they give money too.
If a customer decides to stop being your customer -- for whatever reason -- they are entirely entitled to do that and you are not entitled to their money.