That was so naughty.
Our OT prof was a great guy and thoroughly enjoyed ... and USED ... jokes to get his points home. The alleged point was that there were several cities on top of each other (like Troy) at the site of Jericho and nobody had found architectural evidence that Joshua had ever been there. So he had said, “Nobody has found a shard with ‘Joshua was here’ on it.”
So, of course.....