Since I first added to this thread I talked with an RV paint and body guy who sees hundreds of these "oxidation" problems. In some cases people have bought the "treatment" that is supposed to be a protection for the finish. He said he gets many of those that have oxidized and has worked with the plan providers. Usually the insurance people want him to do a sand/buff and shine. He tells them that will not fix the issue but it they insist he does it and has the RV owner come back after a month. In every case he said the oxidation returns. Only then does the insurance/coating provider honor the warranty. Once oxidized there is no buff, polish, magic potent that will fix it.
2018 Jayco Greyhawk 29MVP
2019 Jeep Sahara Unlimited
2011 Cyclone 3010 Toy Hauler- Sold
2014 Chevy Silverado Duramax LML -Sold