Wright would get salty about people over six feet tall being allowed to walk around in his buildings because he felt it threw off the sense of scale. I'm not sure he ever really grasped that buildings are things people live in.
Madness string 83986
It is important to not promise kids things you don't intend, or might not be able, to follow through with! But there are lots of promises in the world that come with an invisible footnote that says '*Within reason', and it is a good lesson for your daughter to learn here.