> the entire burden of proof on the person who desires to take it down.
That's exactly the point though - If a person can successfully defend the existence of a fence against your insistence for change, they've not demonstrated that the fence is required beyond all doubt, they've demonstrated that YOU are not capable enough to be the one that changes it, since your knowledge of the domain can't even defeat a "silly" insistence of maintaining the status quo.
That's exactly the point though - If a person can successfully defend the existence of a fence against your insistence for change, they've not demonstrated that the fence is required beyond all doubt, they've demonstrated that YOU are not capable enough to be the one that changes it, since your knowledge of the domain can't even defeat a "silly" insistence of maintaining the status quo.