In terms of appeasing the increasingly niche audience? Sure, then we can call it a success.
I don't want to play M+ because I find the design terrible and frustrating. Would I like running a dungeon with modifiers? Sure. Do I want to speed run them one after the other ad nauseam, with no choices which one I am running, in a practically infinite scaling system that doles out is best rewards with weekly RNG? Abso-fucking-lutely not, and neither do any of my friends. Well that isn't true, I have a couple of friends that like to run them, but they turn into toxic dickheads when they run it so that isn't very fun. It brings out the worst in people and is no longer a fun activity to do with friends. We can't bullshit and have a good time. It';s just screaming "GO GO GO GO GO WHY IS YOUR TALENT WRONG WTF WHY DID YOU DIE OMG THE RUN IS FUCKED NOW!" No thank you. I want to play the game with my friends that are worse than me and my friends the are better than me and still have fun, not have us all pushed into our little corners where playing together is discouraged.
You are dodging the issue entirely. FF14 threads this needle just fine. There is content for everyone, top to bottom, nobody is left out. WoW used to be like that too.
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What part of "There is no place for us" do you not understand? I hit 60 and within a week of very casual play I had out geared EVERYTHING I LIKE DOING.
Telling me to go dig out people I don't know and don't want to play with so they can help me play content I don't want to do is such a ridiculous solution to that problem.