It honestly shocks me that anyone would give this ...

It honestly shocks me that anyone would give this a positive rating. You are herded around in a massive group. It's expensive. The guides pick on people who can't speak English. It is in NO WAY historical. I can see small children and dogs being entertained by this, but they won't learn anything. Unless it is to learn that they should avoid this chain tourist trap in every other city they go to.