Is the tractor lunge trick an exploit?

If you go up the entrance of the tractor and lunge to the right, you can land on the hay bales that allow you to reach the survivor past the vault point. I was under the guise this was a “trick” you could do, similar to lunging past the hole in Preschool or lunging to another section of the roof on Mother’s Dwelling. However, I was recently reported for using it. Is it a bannable offense or no