I'm not diggin' it.
I have a similar hauler that I use on my motorhome to haul a BMW 650 enduro bike, and it's not as easy as shown to load even that ??? 350 ??? pound bike up. Once it's loaded up, it does rock / rotate up and down quite a bit. I don't know that it's an issue, but it is annoying. I must also say that with the distance from the hitch, there's a lot of leverage there. I'm sure the weight is beyond the rated hitch capacity, and the distance / leverage amplifies the problem. I also wonder with the weight hanging 3' off the back of the bumper, how much it'd affect steering and such....changing the dynamics of weight distribution going down the road.
Trailers can be a pain, but my experience tells me that, if properly maintained and loaded,....they're the safe bet.