Originally Posted by
mosu84
Irritated, I chewed him out and just walked right past him back toward my gate.

^
Another thing that can be done is educate them on what Google image search is.
1,390,000 results for "Columbus airport" and there is a picture of the TSA checkpoint on the first page.
Also, you can just type in an airport code in Bing Maps, click on birds eye view, and here 'ya go: