opening doors, fetching items and turning the lights on or off
That's worthless.
teleoperation
I got rid of Microsoft, getting rid of Google and dozens of other surveillance aggregators. Why would I want this?
The idea is dead on arrival. Except maybe for a few very specific circumstances.
So instead of teaching your kids basic human interaction with trivial objects, you would prefer an Indian guy doing it with a teleoperated 20k chassis? Yes, my idea of parenting is vastly differs from yours :)