Following your logic, then the 2 RV drivers are deliberately trashing their toads because they just don't care.
The more I think about not towing backwards because the wheels need to turn, the more it doesn't make any sense.
When you drive a car around a turn, you turn the steering wheel left, the front wheels turn left and you make the turn. Do the rear wheels also turn left? Or do they just follow and track around the turn without having to be steered? The rear wheels stay straight and the outside wheel just rotates a little faster than the inside wheel.
If you're towing a car backwards, the front tires don't need to steer, they just follow the car and the outside wheel just turns a little faster through the turn. Just like they do when everybody is driving normally and the rear tires just track behind the front.
Blindly trusting stuff you read on the internet isn't always a good idea, because whoever wrote that might not have any idea what he's talking about, or is making a generalization and isn't talking specifically about what you're trying to do.
I wouldn't do it for thousands of miles, but if I was just going a few miles to a trailhead, I don't see a problem with it as long as the steering wheel is tied to something.