So do some of (my) old Hampshire professors: here's an interesting article by Jeff Wallen on the inadequacy of disagreement in academia. (sorry for ugly URL)

http://gateway.proquest.com/openurl?ctx_ver=z39.88-2003&res_id=xri:pqd&rft_val_fmt=ori:fmt:kev:mtx:journal&genre=article&rft_id=xri:pqd:did=98830707&svc_dat=xri:pqil:fmt=text&req_dat=xri:pqil:pq_clntid=17210