Who's gates? Hell's or Hades'? (Mt 16:18)

In my last post, I claimed that there are no "Gates of Hell". But don't just take my word on the matter. Check out this JETS article on Mt 16:18 by Jack Lewis:

"THE GATES OF HELL SHALL NOT PREVAIL AGAINST IT” (MATT 16:18):

A STUDY OF THE HISTORY OF INTERPRETATION