I would like to go back and address the original manifesto.
Self-sustain and healing abilities given to other roles.
This isnt too bad. I only think that there should be enough damage to warrant the availability of these. The new monk aoe heal might be an issue unless its very small like dancers curing waltz which practically does nothing.
I think bloodwhetting/nascent flash/chaos is a definite problem. Clemency perhaps too.
I think red mage being able to spam 4 or 5 raises in a row with dual cast is too much. They should put verraise on a 40 or 60 second cooldown, equivalent to summoner raising. But i think summoner and red mage should keep a raise as interesting uniqueness and it makes sense for the lore.
I think melee having one heal like current like second wind is good considering they usually are in more danger.
Over simplified DPS rotation
This i definitely disagree with, but one damage button and a dot is too little. I actually think healers should have more ogcd damage like assize. But nothing akin to a dps rotation.
This is a symptom of the problem, not the problem. There should be enough damage to heal, support to do, and cleansing to not be spending the current 80-90% of time using damage gcds.
However there should definitely be unique variation between the healers even in how they deal damage. They absolutely should not all have the same 1 attack and 1 dot. Consider giving whm an additional whirlwind aoe that stays dealing DoT. Give sch a second dot and give them a way to spread it in an aoe and replenish the timer. Have some creativity.
The remaining three points all yes