It's just a feature that's been available on other smart home platforms for years.

The fact that a camera is involved is what is jarring, I think. There's plenty of less creepy ways to achieve what other smart home platforms do, which makes one wonder what else it is being used for. If we are to trust them, the camera won't record... until the terms of service update and it gets buried in legalese and surprise, everyone gets opted into having all of the camera's sensors constantly beaming to a cloud for myriad purposes.