[rsynnott]

This feels kind of tautological. We know who built Teotihuacan, it was the Teotihuacanos! What do we know about them? Well, they built Teotihuacan...

(Seriously, though, _is_ anything much known about them beyond that?)

[thaumasiotes]

The general term for this type of argument is "dormitive potency".

https://brucebyfield.com/2012/07/11/recognizing-dormitive-ex...