[smogcutter]

If only you could go back and tell them what a waste those walls are! I’m sure the Mongolians would value your expertise.

[thaumasiotes]

I'm not criticizing the Mongols ("Mongolians"?) for building a pointless "line up here" wall. I'm pointing out that that's not something they did, and criticizing jpollock for suggesting it was.

[smogcutter]

> I'm pointing out that that's not something they did

Well that settles it then!

[Larrikin]

Source?