You kind of got off topic there for a bit. I'm not sure why you keep defending Jeep, you're wasting your time. Bottom line, the diesel Gladiator tows less than the 3.6 Gladiator, 4x4 Colorado (diesel and V6), and even the 4x4 Tacoma V6. That's disappointing.Remember, the tow rating is based on towing performance. The Gladiator is going to handle very differently when towing a high profile trailer vs a low profile trailer even though both trailers might be the same weight. We know that the EcoDiesel in a properly equipped truck is rated to tow as much as 12,560 lbs, but that doesn't mean it is safe to tow a 24' enclosed car hauler that weighs 11,000 lbs. As someone who does a lot of towing, I can tell you that the Gladiator, with it's impressive platform, is still limited on stability, especially when towing a taller trailer with solid sidewalls. It's like the tail wagging the dog effect.
I will say that the Gladiator and the Chevy Colorado had to undergo the same SAE J2807 towing testing. Due to Jeep's narrow grille opening, proper engine cooling was the limiting factor for the EcoDiesel.
Your toy hauler doesn't sound like it's very big if it only weighs 3200 lbs empty, so you should be okay, depending on height/width. I would read the owner's manual and see if there are restrictions on towing a large profile trailer. My Jeep Liberty CRD restricted the square footage on the front of a trailer, which was their way to increase the tow rating, but keeping people from towing a larger profile camper. I noticed that Jeep advertised the Gladiator towing an Airstream, not a typical 8' or 8',6" wide travel trailer with lots of frontal area and tall sidewalls.