3 billion sounds more precise.

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 :)

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.

Vestern problems.

That’s a nice situation: you see, the answer is completely unimportant and affects nothing. So you can use whatever answer fits your set of arbitrary criteria. You want to show that the country is old? Use the first mention of the name. Very industrious? Use factories per mountain formula, etc…