Yep - I did a couple loads of 25 each for about 40 miles back in the spring in my Rubicon. It stayed in fine and handled it fine. I knew it was back there in regards to weight, but it didn't feel unsafe at all.
I'd keep your eye on it. I'm 47 and have driven multiple manual transmission vehicles all my life and love them compared to a "boring" auto. I bought a new '18 JL 2 door with the 6 speed and had similar experiences with it to what you describe. To the point that at 7k miles the clutch...
The Rubicon JT I'm picking up tomorrow (9/26 build date) does not have it and does not list it on the window sticker. Odd how some with earlier build dates than this have it. The dealer is getting one in with a 10/1 build date that has it lists it as a single item in the "options" section of...