I think DLCMH is close to the answer. There is lttle guidance to google users as to what they should search on, and I think most users don't realise the importance of the words they enter - very often people arrive at a site having entered too many search words, that has over-restricted the search. For example people may find one of my sites with 'holiday rental villa, dordogne, near bergerac' (made up example, but not untypical) without realising that holiday rentals in france are called gites, even outside france, that the site needs to include 'near Bergerac' rather than just 'Bergerac', or 'close to Bergerac' if it is going to show in the results, and that I may call a villa a farmhouse etc. Hence the results will not the most relevant results, but the user sees 50,000 results and that seems plenty. Hence user education, sensible alternative suggestions, and more help by google to searchers is just as important as getting rid of the crappy MFA sites.