Jenkins is an a.. that's a given. Not sure why Golf Digest publish such distasteful parody interview - they may have accomplished more sales for the month of December but beyond that they lose big time.
Can't see a benefit of clubface in that condition. 00 steel wool will do the trick Joe it should make rust disappear. Maraging or blending of materials was used some years ago to achieve a greater hardness in clubface.
I've spent most of my playing days in the rough and yes, at times deep rough. I play a hooded 5 iron with a set-up of ball between belly button and back foot - keep hands ahead of clubhead throughout swing and finish swing with hands low.