I think they are both good systems
I guess the thing that stands out to me is the claim on that page that a Reese weight distribution system is not designed to work with surge brakes. I checked it on some Reese sights and found they do make systems for surge brakes. I think the splitting of the hairs is when you incorperate a seperate sway bar, from what I read on a towing forum. When I towed my boat trailer I found that my added sway bar was at too tight of an angle with the boat A frame and the three point system prevented any sway, so I did not use the additional sway bar. I need the additional sway bar with my horse trailer because of shifting weight.
I have no doubt the Equalizer hitch is a good hitch. I just think the person that put together the page for the Hunter trailer went a bit far with their recomendation of one over the other.
For me, I already had the Reese for my horse trailer and and camper that I own.
Using an additional weight distribution system makes a rather significant difference in towing. If I was buying for just a trailer with surge brakes I would want a system designed specifically for it. I am not sure that knocks Reese out of the picture. Another aspect is availablity. We snapped a part of the hitch once in Saint Augustine when I missed the turn in to Anastasia park, I went a little further up the road to the light house to turn around and the turn was soo tight, it snapped a piece where one of the bar connects. I took it to a local shop and they could not weld it because it was poured from a mold. I needed to get the piece and they had it in stock.