..."The generation that succeeded him accepted his ideas. They established these principles: 'Rabbi Ishmael vs. Rabbi Akiva-- the Halakha follows Rabbi Akiva'; 'The Halakhah agrees with Rabbi Akiva over any one of his colleagues.' (1) And there was even one view that "the Halakhah agrees with Rabbi Akiva even over his teacher." (2)'
(1): See BT Zevahim 57a; BT Yoma 75b; Alfasi Gittin, chapter 4 and Bava Kamma 7a. However, if the majority differs with him, the Halakhah does not follow him; see BT Eruvin 46b.
(2): BT Ketubot 84b
Now there's the kind of talk I am used to hearing. You'll get smicha yet! Anyone who quotes a secondary source and includes the reference to the primary sources is the best of the best in my book. :D
I look forward to your conversations with Gavrie - which will undoubtedly be a bit over my head but I grasp at what I can. And your observation on Marx was right on the mark in my experience - also you have a broader framework in which to apply it. ;)