continuous phishing attacks via google docs? no, not quite. some collaborators and myself studied this a couple of years ago, it's a minuscule part of the phishing problem.
Just because you saw a small amount from Google Docs doesn't mean that Oxford isn't seeing a large amount, or large enough to concern them. If you're a researcher, you should know that you can't extrapolate your dataset to everyone.
http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=61...
edited to add: here's the paper for you to read, i forgot i had a copy lying around.
http://monkey.org/~jose/tmp/PHISHING-FINAL-03-KN.pdf