A few things
-Your Jeep was a thing of beauty and not sure how you parted with such a fine build.
-Insurance could deny the claim if they found your beadlocks contributed and you knew they weren't DOT approved BUT and this is a HUGE BUT, adjusters don't know about beadlocks and the ones that do certainly couldn't tell a real beadlock from a fake one, especially in a day where SOOOO many people are rocking faux beadlocks. For point of reference, I'm a hardcore product guy and got my independent adjust license a few years back and it was no where even remotely in any of the books I consumed or on the test. My adjuster buddy who's been doing it for 3 decades hadn't a clue what beadlocks were. Like many things, I'm sure in time that could change but I'd think quite unlikely.
-I almost went with dual ARB myself but several guys I know had them die and warranty hell with ARB. Did some research and found problem to be more systemic. The air tank systems are incredible, don't require power, always work and refills cost me $5 at scuba shop. My 2 cents but I like less points of failure, especially because I trek into parts where I don't usually see another soul.