You mean do such things as have the Play Guide people can read? Implement Bardam's Mettle which really gets you to learn mechanics? Create this thing called Novice Network and let players become Mentors?

And dude, if you get yelled at for trying to help people learn, then you probably need to look at yourself a bit. Usually people only scream at you if you're a prick in the way you say it. But if you're kind and offer advice, people usually are silent or will thank you for it. Now, that said, let me hit some of your usual suspects:

- Healer who stands still, doesn't deal damage, can't even keep up with healing = If can't keep up with healing, then is question of whether they just aren't statted right or if perhaps tank and DPS are trash and they really are stuck with it. Usually I dps the hell out of stuff when I can but been a number of dungeons where people just can't survive more than 5-10 seconds without needing heals. So I sit there spam healing the morons because otherwise we'd wipe. Tanks and the rest of the group need to learn their balance, just because you CAN wall to wall pull doesn't always mean it's the best option.

- DPS who single target mobs when you have like the entire dungeon on you. = I'm kind of curious about this one. I mean, I know there are times a particular mob takes priority in killing, such as to avoid mass damage. Or thinking back to where I am leveling my rogue/ninja, if you saw me at like 35 you'd see me single target only because it doesn't have aoe yet. But I've yet to see a single person higher level who just mashes single target damage on mobs when there's a whole pack. So I'd really like to hear what you're seeing do it and how often...or if you just had ONE person act up and now you're tossing it out here like it's a common problem.

- Tanks who just sit there and pull 1 group at a time = Ever stop to ask if they are new to tanking? Or perhaps they've been playing other jobs for so long and coming back to it, they are trying to get in the groove. That or healer/dps suck so much they can't feel confident pulling larger. But assuming none of those, just kindly ask if able to pull a bit more if they are comfortable. Either way, tankxiety is a thing and lot of people have been talking about it all over the place.

- People at max level who have no idea how to play their class whatsoever (example: Fire 1 Mage at level 80) = Umm, curious which way you're pointing this out and whether you may not know how to play their job. (Yeah, it's a job, not a class! I mean, if we're getting as picky and annoyed as you're saying you are about people not doing things right). For example, current meta for BLM is for Fire phase to be Fire 4 x6 followed by Fire 1 then it gets into Despair. You can try to check https://www.akhmorning.com/jobs/blm/...tion/#rotation
I mean, that's if you're sitting here saying it's wrong that a lv 80 Mage used Fire 1...in which case you're completely in the wrong.