Hmm. Then show them your opinion by ordering a silencer from another manf.....
Except nobody else, at the time, sold a take apart boostered can. The Tri-Rant was still very much vaporware when I bought my YHM can.
Building a barrel spacer was no big deal. Some copper pipe, a dremel, duct tape, Ferric Chloride, and chemical resistant gloves was all I needed. (OK so I could have used a file instead of the Ferric Chloride, but I had the Ferric Chloride laying around.)