This is a useless distinction when the distances dictate pretty much this only mode of transportation: nobody's going to march 40km on foot unless their lives d

This is a useless distinction when the distances dictate pretty much this only mode of transportation: nobody's going to march 40km on foot unless their lives depend on it. The counterstatement here would be "the state has the right to forcefully remove anybody who slightly inconveniences me"; it should be obvious why this would be a gross violation of civil liberties. There is a whole slew of laws and regulations dealing with people who inconvenience others on purpose.