Well, yeah: the guy rides around on what also proves to be a remote-controlled drone, which bears something of a resemblance to the one in that clip, and — uh, spoilers, I guess? — it eventually doesn’t work out all that well for him.
Ehang has been developing an autonomous electric flying vehicle for a while now, and already been doing test flights with passengers.
Airbus and Lilium have also tested full-size autonomous electric vehicles.
Here’s a recent Economist article about these businesses.
Your economist link is behind a paywall for me.
In any case, autonomous or not, there is still the issue of reliability both in regular operations and in an emergency, as well as current FAA regulations.
I assumed it was because a worker was decapitated filming Spider-Man with Tobey. Much the way Vic Morrow died (lost his head to a helicoptor blade on a movie set), and we just had another decapitation on the world’s tallest Water Slide That Sounds Like a German AusFahrt.