Maybe watch the rest of the video. The Tesla, unlike the LiDAR car, also failed the fog and rain tests. The mural was just the last and funniest one.

Let’s also not forget murals like that do exist in real life. And those aren’t foam.

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg...

Additionally, as the other commenter pointed out, trucks often have murals painted on them, either as art or adverts.

https://en.wikipedia.org/wiki/Truck_art_in_South_Asia

https://en.wikipedia.org/wiki/Dekotora

Search for “truck ads” and you’ll find a myriad companies offering the service.