It might as well be sooner. A good start would be to investigate the most recent duplication incidents and tell members the truth about why and how they happened. Then, devise procedures that not only will reduce to negligible the chance of further deal repetitions but also will convince tournament players they enjoy certain fundamental protections when they rearrange their lives to attend a major tournament. A Movable Silence Conducting auctions without speaking is a good idea. The chance of inadvertently passing illegal information to one's partner, through variations in tempo or tone, is greatly reduced.
Golden silence has an even greater effect when it accumulates.
To be sure, while certain problems disappear others may be introduced by the mechanics of the device used to conduct the auction. Still, when the plusses and minuses are added and weighed, silent auctions come up a very big winner. The advantages of silent auctions have long been recognized. The question has been how to achieve them in a pleasant and economical way. Unfortunately, models that have to be screwed or clamped onto the table are annoying.