Well researched essay on the history of arbitration by Professor Jill Gross of Pace Law School - the point of which is "[r]ather than depicting FINRA arbitration as an alternative dispute resolution process offering a level playing field, FINRA, as well as industry and investor advocates, should recall and reinforce the historical basis of securities arbitration as a mechanism to protect investors."
To learn the genesis of the process, the purpose of the arbitration requirements, and general history, take a few moments to review the essay
The Historical Basis of Securities Arbitration as an Investor Protection Mechanism by Jill Gross :: SSRN: