Feelings on FF14's Trinity System?

[Absurdity]

Personally, I hate having to curb design ideas based on people being whiny brats. So I do not accept that as a counter argument against the actual design of the mechanic.

Whining aside, I just don't consider punishing the tank for essentially doing their job is a good design idea.
It's basically just bringing back the tank stance penalty but without the option of turning it off.

Punishment mechanics are fine when you can actually do something about it, you can't not have a main tank.