Is limit break not a thing?

[Dualgunner]

I'm not going to argue with someone who has no clue what they are talking about.
You're not worth the time. I'll just black list you in game if you decide to heal a party without esuna instead.
This is a common sense aspect...not a "preference"

Common sense is "right tool for the right job". If esuna isn't necessary for a particular instance it is a waste to take it.