Well, I guess I didn't quite do it right when I removed the wimpy lock mechanism. I removed almost all the parts, but for some reason I can't recall, I didn't remove the deadbolt part. Guess what? We were on very bumpy roads the past few days and even broke a turnbuckle. I went to the back door at one stop so I could retrieve our InReach device, and found the door wouldn't unlock. Uh-oh. I assumed it was the regular house-type deadbolt. Having no way in Omak, Washington to get all our food, sleep, stay warm, etc. we decided to hire a locksmith. That cost more than a couple nights in a motel (it was getting late on a Sunday).
He didn't think it was the house-type deadbolt, and after fooling around for 20-30 minutes, managed to open the door. It popped and it sounded bad. It turned out that wimpy deadbolt in the door latch had shifted, blocking the door from opening. That part is now safely removed!
Lessons learned (besides removing ALL the wimpy lock parts): InReach should be on our person. Some food and warm clothing should be in the truck cab. Why am I having to learn all this stuff after nearly 500 nights in our camper?