Lol, if a prison didn't have a wall. There would be prison breaks daily. Thanks for proving our point.Your dismissal of arguments on effectiveness reveals a deeper ignorance. Build a thirty foot high wall? Aren't there thirty-one foot tall ladders? Has anyone ever broken out of prisons bounded by walls?One of those reasons is the cost compared to high tech options.
High tech options do not stop border crossing. They only alert you to them. On top of that the cost would likely surpass a wall in the long run. You have initial investment, maintenance, new manpower to operate it as well as agents to actually act upon its data, replacement or updating costs when the inevitable jammers are created.
A wall by comparison has very little of those costs.
That is just an ignorant statement that deserves no further discussion.Another reason is the ineffectiveness of a physical wal