If anything, Endwalker was designed to be far too easy compared to previous expansions. Giant hit-boxes, low health pools, non-punishing mechanics, and extremely long tutorial phases that take up almost the entire fight once you out-gear it (looking at you Algaia and Euphrosyne). Dawntrail is bringing the difficulty back up to what it should be.

Not sure why people are so afraid to wipe once or twice in order to learn an encounter. There's pretty much no consequence to wiping other than time. You don't lose EXP when you die and durability loss on gear is extremely minimal compared other MMOs. If you die, try to understand why you died and learn from it.