Chiming in on the Viper/Ninja thing, although they can disconnect very easily compared to other melees, there's still Auto Attacks to consider. Swiftscale and Nin's haste decrease the auto attack timer by a significant margin. If a Viper just does triple Uncoiled Fury without being in melee range, they keep their GCD rolling, but they do lose uptime on autos. In that case, the Viper would lose around 400 or 500 potency from the missed autos. It seems small but worth trying to stick to the boss even if you are using UF.

That said, I agree with most other things in this thread. I had to quit RDM when I was doing Anabaseios in PF because I was so tired of underperforming melee doing, like, 2k more DPS than me while I was fighting my heart out. Judging by PCT, it might be the Resurrection keeping RDM and SMN down, but BLM isn't doing so hot right now either.

And Aiming players, rest in peace. They need to do something for that role stat or there will be a huge shortage in Arcadion.