Star Trek 2009Get back to me when Romulans don't have that dumb forehead ridge in TNG+

Why not? Perhaps encountering the Prime universe allowed for another technological leap? I mean the Defiant did it once and then the tech stagnated. The Mirror Universe does not seem to have great innovation when it comes to technology and often relies upon the Prime Universe for leaps forward, i.e. the Defiant from TOS era and the Defiant from DS9.Uh, well, they, errrrr, cured it!
Juvenile writing is a matter of perspective.You still don't get it. It isn't the changes in and of themselves. It is the juvenile writing that is attached to it.