Let's see here, a bass boat weighs maybe 2k# max and the trailer another 750#, mid sized TT Is going to come in around 6500# and an average sized 5er will come in around 12k#.
Yep, using the results from bass boat usage to compare to large RV usage would defiantly would be apples to oranges. Absolutely no comparison. Not only that but comparing tires use on a TT to those used on a large 5er is also a bad comparison.
What it all comes down to is the fact that ST tires are still just an inexpensive tire used by RV manufacturers usually supplied by the lowest bidder. Virtually all are made in China with little process control. Tire names come and go about as fast as the failure claims mount up.
Proclaiming yet another ST tire as the end all best thing since sliced bread is premature and foolish. Using them would be like signing up to be a test dummy.
Keith