I remember seeing a demonstration by a deep learning guy of a commercially available robot cleaning a house under remote control. You are seriously underestimating the difficulty of developing software to solve these problems in an integrated way.
This. It is a lot like the business guy thinking it is trivial to program a 'SaaS business' because he has a high level idea in his mind. Like all things programming the devil is in the detail.
The hardware is certainly good enough to assist a person with a disability living in a ranch house with typical household tasks. As demonstrated by human in the loop operation.