DPS display could easily be solved with a system already in game.

[Malevicton]

It's not like you suddenly skip the "advice" part and go straight into "berating them" just because you see lower numbers (versus seeing their rotation or uptime)

You haven't heard? The exact same instant you put effort into a game, it becomes your job. You're teleported immediately to your mother's basement, and are made to sign the "Ermagerd We're Da B3st" guild charter, which requires - among other things - that you actively try to reduce the number of new players by making them feel infinitely inferior to yourself (don't worry, they deserve it, you're that much better). You are required at all times to use your <Final Witness> title, but make sure to never actually play your role. You're always more helpful standing afk in the back. This allows you a good view from which to criticize everyone else (If they get sassy tell em to look at your gear, that'll shut em up).

At least that's what I've learned from the forums. Maybe in reality people are just human and prone to emotionally-influenced responses that could vary depending on context. Who knows