Had one of those in a Leveling Roulette a day or so ago. They had a leaf icon so I thought maybe they just didn't understand how the songs work because of being new - so I let them know, quite politely, "Hey, you should turn off Mage's Ballad, it cuts your damage in half and the healer doesn't need it right now". Did they? Lolnope. The only time I saw them legitimately stop using Ballad is on bosses, and probably only because they were distracted with getting hit by like everything. Soon as we got back to regular mobs? Ballad went up while healer was at full MP. As a former BRD main, that was irritating the crap out of me - more so because I was having to basically carry that guy's butt as the other dps.
The healer was also bad, would stand around doing nothing and/or spam Cure on my tank friend the moment they got a 1hp scratch... but at least they weren't gimping their damage and legitimately ignoring advice.
