Well I found one group of guys willing to cap Rathalos this morning after searching around for a while. Unfortunately the trio comprised of one decent hunter with what I'm guessing was a water switch-axe, a guy with various armor parts yet no abilities activated(Ingot & something else, I forget), & a guy that had what I think was a Rathalos set minus not wearing any helmet at all & claiming that his only weapon was his fire long sword.
Sufficient to say we didn't capture Rathalos but I did manage to chop the tail off so I got a Rath Medulla out of this disaster.
I try to stick to the Expert server to avoid hunts like this...