Quote Originally Posted by HeavenlyArmed View Post
And complexity may not be exactly measurable, but it's hardly subjective.
To add to that, it is also an objective fact that classes have become more and more simplistic over the years instead of becoming more complex.

I think this was a deliberate move by the developers because they wanted to make the fights themselves the interesting parts of the gameplay instead of the rotations, but I could be misremembering that.