My “vetted” Doordash/Ubereats drivers sometimes end up eating part of my meals.

You're saying then that tools exist to scan and ping all babysiters and handymen across the globe, fingerprint them for version, lookup zero-days, apply them to matching staff, exploit that to monitor children remotely, and take control over home assistants function to shepard children out the door to a "party van" ?

That's the ecosystem that surrounds most actual IoT devices - I can't see home robots being any different.

The Pied Piper, in robot form.

Who gets a babysitter off the Internet?

Apparently at least everyone who keeps this website going, at least: https://www.babysits.org/