[ Keith's encounter, huh... Zhongli did hear of it, even if he wasn't present in his human form. ]

And it is from a Vision belonging to an outlander - that is, not granted conventionally by the Archons.

[ Zhongli folds his arms. ]

To lose their granted Vision would mean they would lose their ability to enact large changes upon this world. Our host prefers to keep the outlanders effective.