Prefacing my thoughts with the disclaimer that I am not a tour player, and my opinions on rona have been purely formed based on the ladder.
Gotten reqs, I'm Pro-DNB. This will be yet another suspect where the main bone of contention is the ability to pick and choose checks, and perhaps no other mon does it quite better than Volcarona. You never truly know what you're up against until its too late in most games while facing the moth, and if your goal is to never lose a game against it, stacking 6 checks or running stall is probably your best bet. That being said, the mon doesn't feel broken inspite of this. The main feature of this generation is its unpredictable nature, the ability to flip matchups is what makes teambuilding and innovation so much more rewarding than in any other metagame. Volcarona is merely the scapegoat, and not the sole contributor to this mechanic. With the right set of 4 moves and a favourable tera type, almost every breaker and setup sweeper can work its way around commonplace counters. Sets like Ghost Gambits to 1v1 Skarm, or Breaking Swipe Poison Gouging Fire to break through Gliscors/Tusks/Dozos, the metagame will always adapt and find new ways to make the same mons overcome its weaknesses. This aspect of Gen 9 is what makes winning with balance consistently hard, but also what makes it fun, challengin and dynamic, in my personal opinion. I don't find Volcarona's case compelling enough to push it over the top, no more than any of the other versatile breakers and sweepers in the metagame.
Echoing SupaGmoney posts which make some great points, almost all Pro-Ban arguments I've read are short sighted and cherry picked, and fail to look at the mon in its totality. I'd like to address a few of the more recurring ones -
Gotten reqs, I'm Pro-DNB. This will be yet another suspect where the main bone of contention is the ability to pick and choose checks, and perhaps no other mon does it quite better than Volcarona. You never truly know what you're up against until its too late in most games while facing the moth, and if your goal is to never lose a game against it, stacking 6 checks or running stall is probably your best bet. That being said, the mon doesn't feel broken inspite of this. The main feature of this generation is its unpredictable nature, the ability to flip matchups is what makes teambuilding and innovation so much more rewarding than in any other metagame. Volcarona is merely the scapegoat, and not the sole contributor to this mechanic. With the right set of 4 moves and a favourable tera type, almost every breaker and setup sweeper can work its way around commonplace counters. Sets like Ghost Gambits to 1v1 Skarm, or Breaking Swipe Poison Gouging Fire to break through Gliscors/Tusks/Dozos, the metagame will always adapt and find new ways to make the same mons overcome its weaknesses. This aspect of Gen 9 is what makes winning with balance consistently hard, but also what makes it fun, challengin and dynamic, in my personal opinion. I don't find Volcarona's case compelling enough to push it over the top, no more than any of the other versatile breakers and sweepers in the metagame.
Echoing SupaGmoney posts which make some great points, almost all Pro-Ban arguments I've read are short sighted and cherry picked, and fail to look at the mon in its totality. I'd like to address a few of the more recurring ones -
1. "There have been too many DNB tests, it is time for a change''- Perhaps the worst of the lot. Past suspect results should play no role in determining if Rona is balanced or not. Every suspect only deals with one question - is the mon in question balanced/healthly for the metagame or not? Projecting frustration towards lack of a change in the metagame onto one suspect is absurd. The only reason there hasn't been any change is because none of the mons are imbalanced, plain and simple.
2. "Volcarona's defensive utility is easily replaced with other fire types, we have already seen a metagame without the moth which was fine" - True and true, but the point of the suspect isn't to find a reason to keep Volcarona OU, but rather a reason to ban it. The state of the metagame without it has no say whatsover in determining if its balanced. I don't care if it won't be missed, if it isn't broken don't ban it, period.
3. "Too much pressure on the builder, stacking checks is the only way to deal with it" - Closest to a reasonable argument that the Ban side has provided, but I still tend to disagree. For one, no team is without weaknesses. It is virtually impossible build a team of six mons that can account for every variant of every breaker in the metagame. Secondly, as SupaG points out, there are a handful of checks to volcarona that are already commonplace in the metagame with significant usage, in fact I would argue it is harder to build a team that doesn't consist of atleast 2 soft checks to the moth. Any well built team can challenge Volcarona consistently even if a conscious effort isn't made to build against it.
4. "Fiery Dance and Flame Body is too RNG dependent" - The same could be said for Moltres, Zapdos, Iron Moth, any thunder wave abuser, Lava Plume, Discharge, Scald, Ivy Cudgel crits etc. Luck is always going to play a part in determing games, that is the essense of playing pokemon. This isn't any different for Volcarona when compared to the rest of the playing field.
In short, I'm going to be voting Do Not Ban. If you do play the metagame frequently and care enough to complain about its state incessantly, I strongly urge you to challenge yourself and get reqs to vote, whatever side it be.