How would this be possible?

The video was taken already, and he has a group of people working with him, hence being allowed into restaurants, zoo enclosures and police parking lots.

A confederate suggests things they already have video for, from the lockdowns, like "go to a Mercedes dealership and get a car as proof".

This is, with a virtual 100% chance, an ARG or viral marketing for a show of some sort.

Now...

The cans and goods all show a "modern" date. The computers and electronics all show 2027 dates.

The power is on. Cars keep running (see police car) and the food isn't rotting at all.

There are no visible animals, people or even insects. Just the one person moving around.

The history of strange time effects are FILLED with such anomalies. So, that stuff, in and of itself is not "proof" that this isn't real.

Just that something very odd is going on. If it were real, what would be the next thing to plan would be for the man to leave a token at a specific spot, while a camera in our consensual space watched it, to see if it appears. Or, to see if the man is seen doing it?

Again, this thought is NOT me saying this is real. It isn't. I'm just suggesting plot happenings for the show.