How can they even get the source wrong so many times? In the pictures and Articles it says "Photo: Youtube/Maxime Darache" but the Channel is "Maxime Derache"
The problem with a large trailer, especially THAT large, is that it would only be practical if you stayed on paved roads.
But if you plan to actually bikepack away from civilization, I can't possibly see this as being fun on beaten rail trails, forest routes, and in the back country.