RE: washington bow hunters
Personally, I think it is a good thing. While the mechanicals have come a long way since I first used some PunchCutters (that sucked) back in the late 80's, there is still a big problem. Most perform best with bows pushing high kinetic energy. If you don't restrict their use, you'll have guys who are shooting the preferred minimum KE for elk trying to keep arrow speeds up , and that may end in lost/wounded animals. And there are still many out there that suck, or are unpredictable at best. I think the only way to minimize this risk is to restrict their use, or require a certain amount of KE for elk.
The biggest reason for their popularity is their ease of tunability with target points. I've never had a problem tuning my broadheads. They may not hit the exact same spot as my target points, but they still fly good and true. If not, put them aside and try some more.
My biggest complaint on equipment restrictions is the let-off rule. If you don't want your animal to go in the books, who cares what let-off you are using. Just make a clean kill. There ain't a whole lot of difference in 65% v. 75 or 80% anyway. The hard part is getting within range and drawing unseen. Holding it back is a piece of cake, comparitively speaking. Just my .02 worth, so I'll shut up now.
Hunt hard, live right, and tell your kids you love 'em!