Old content has become so easy that it is no longer fun

[sharknado]

These are all terrible ideas, man.

Then what do you want? There always will be a meta, there always will be an option to make content easier. With unique jobs there always will be one that can do what others can't. And if you start buffing the difficulty or nerfing jobs then it will be less and less fun to do and each job will become a copycat of each other.

And then it would be really "fun" to see people frustrated with roulettes when they get weaker healer after all those tank nerfs you want. Good healers would the sell their services $_$

The game isn't only about YOU and only the content YOU want to do.