Well, in my case, as opposed to 0%. With the former, it was always "I don't know much about Windows, but you might be able to try <insert remedy here>. If that doesn't work, you'll have to ask someone who knows Windows." With the latter, I say "I don't know anything about OS X. Ask the people at the Genius Bar."

I will say, however, that support requests decreased significantly now that my parents are on a non-painfully slow net connection, and have learned to Google it first.