The deal is, we already see a lot, and I mean a LOT of people who do a roulette, see it's one they don't like, and flat out leave taking their 30 min penalty. In my time sense I started playing, and lving class's. I have seen a number of people that just flat out leave runs they don't like, on all the rouletes.

Personally I much rather people go "I don't want to have __ show up in my roulette" vs having people leave and then being stuck sitting there waiting for another to fill the spot. If it's a tank/healer we could be waiting for a while. Or everyone just upps and leaves. Then what? Back to another 10-20 min dps queue. I've waited over 40 minutes for a expert to pop only to have the healer leave, then the tank leaves... then sitting there for another 10 minutes to get a tank back.. before the run falls apart due to no healer.

So really... I would not be against the option of vetoing a run. Personally if a run is so bad that a lot of people hate it, maybe SE should look into why.