1. Has it ever been proven the cops are on the back of beadlock'd rigs. At one time I offered money for someone to produce a ticket from beadlocks. I beleive it was Scott @ Rockstomper that did it on a national level. To my knowledge nobody could ever cough one up. I'v driven my Cruiser all over the state in the last couple years, knock on wood I have never had a problem. With all the fake beadlock wheels out there I don't ever anticipate it being a problem. Not to mention the fact I don't think they are illegal in the first place (search for that thread
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2. If you think the HP would pull you over and cite you for beadlocks, what do you think they are going to do when they see you have plugged a bunch of screws in your wheel. IMHO a properly welded on beadlock ring adds strength to a rim, I can't say the same thing for adding a bunch of holes in your rim.
3. I'm sure it works OK, judging on the experiences on PBB IT doesn't look like a bad option for a trail rig...