That makes sense. OEM receivers have always been on the light side. That's why companies like Putnam still do such good business. I always recommend to my full-timer customers that they invest the $300 or so to upgrade that receiver. Too much precious cargo to take the risk.
I see somebody posted the video link. You can just go to the Hensley home page to get that, too.
Here's the link to
Can-Am RV in Ontario. They outfit small cars to tow trailers. Check out some of the combos (no, I'm not affiliated except that they sell the Arrow). Just interesting stuff.