In all honesty, Volte farming is very plausible. In the ~20 consective runs of Dynamis-Windy I did with a volte-farming group ....we saw ~17 volte pieces in 20 runs and 1 body in ~39 runs....but that body was around the 21-22nd run....so, yeah, possible, plausible, but still rare.
You must’ve been very lucky because others go months without seeing the body. I’m currently 4/5 on haubert myself and only missing legs. I think I’ve only seen body drop twice. Once here on Asura and once on Bahamut when I was there. But just because you have better luck doesn’t mean others will. It’s all a grind until it’s done...