The evidence of cheating with respect to insect refuges was broached in a prior thread on this board that contained one of the hardest quizzes to appear on this board (#msg-50939526, #msg-51033222). Also see the article in #msg-72289461.
“Refuge-in-a-Bag” premixed products from MON and DD solve the refuge cheating problem to some degree, but they aren’t as effective as a physical insect refuge in thwarting the emergence and population growth of resistant bugs.