This in turn is why Titan (Story) is a wakeup call that wrecks a lot of new players. Get Landslided? Congrats, you are out of the fight. The healer can't heal that. It's a wake up call to a lot of healers too, because they can't just heal the damage to themselves either. You're forced to acknowledge that you screwed up.
But you can still get pulled through it. I've literally cleared Titan Story as tank with just the healer and me alive before. And it almost made me want to throw the fight at the end because those DPS needed to learn, not simply progress - they needed the roadblock.
It's a little cruel and I can recognise the potential for frustration, but I feel almost more like that's what XIV needs to have - more actually unprogressable moments where players have to pass basic checks in order to progress. Not stumble through until they get carried through. Some of the story quests used to do this... until echo was implemented. Guildhests have never been good teachers nor are they touched by the majority of players who would need them. You know?
You can stumble through the game getting carried pretty hard. Then you hit 50, and there are people who could almost literally solo dungeons due to overgearing at this point, and you get carried harder. And then you hit i100+ and you're like "oh yeah there's nothing stopping me from beating Twintania/EX Primals"... except yourself. And in those fights, where your failure actually can impact the performance of others? ...Yeah. These days, closest thing to a hard roadblock in the game up until then is Garuda (Story) - and even then a skilled and determined WHM can carry a team through that fight despite their best efforts. Look at the hilarious trainwrecks that are the current HM primals, Praetorium, etc., that were once supposed to be tests and challenges to players.
