We can "vote with our feet" and use a different search engine... Or maybe someone wants to start up a database that includes all of the "banned from google" sites, and then people could search with this database, which would first use a web service to query google, then merge those results with the search results from the banned database (ranking those higher, too?) and returning the results as a Google+Banned search result...
Anyone want to program
www.GoogleBannedSearch.com?