Are you talking about Crystal Tower being mandatory now?
Why are you complaining about having stuff to do? It's not like you gotta run it endlessly if you don't want to. You can experience it once then move on with your life. Do you base all your decisions when gaming about the most optimal result?

Just enjoy the content. It's not like it'll even last that long, CT is faceroll these days. Besides, Alliance Roulette is a good exp source.