I believe the side loads on a hitch pin by a strap, as the strap would tend to concentrate the force at the middle of the pin as it tightened, could bend/break the hitch pin...and the solid receiver mount distributes the load across the entire exposed pin section.
I agree that the d-shackle sticking out in back there is a departure angle nightmare (But apparently a good bumper lance...)
...and if I had my druthers, a simple frame mounted hook is fine.
I have D-shackles laying around my garage, so popping one in is the easy way out for a tow point in back...But I can't say I'm pleased with it, other than that it works great for recovery.
At least the new rear bumper carrier (I'll get soon) has tow points built into it.
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- TJ
2001 Xterra '03 VG33, SE 5 spd, 305/70/16's, Revolvers, UBSkidderz, Doubled AAL's, 3"SL/2"BL, winch/bumpers, skids, sliders, OBA, Snorkel, pine stripes....
Friends don't let friends drive stock.
http://www.gifsoup.com/view/501230/tj-tackling-crawlers-ridge-o.gif