They probably have advanced roombas or something. Oleophobic surfaces too.

Facial expressions are a weak point of the AI models I've tried. They can do angry, happy, crying, and neutral pretty reliably but a sideways glance or looking down in embarrassment or a conflicted expression are difficult to wring out of it.

Control net can probably help but it's fiddly.

Well, I wouldn't say *always*, but we've got a couple of months at least.