I will not dispute you on theory. All I know is the results!
Editing to say that I know the results of the 28 day brine. I cannot testify that a briefer brine would not be just as good.
Welcome to the eG Forums, a service of the eGullet Society for Culinary Arts & Letters. The Society is a 501(c)3 not-for-profit organization dedicated to the advancement of the culinary arts. These advertising-free forums are provided free of charge through donations from Society members. Anyone may read the forums, but to post you must create a free account.