You two clearly have never played rogue before
even if you have you clearly havent played it without dropping a couple grand into game for your rogues
Rogue is most gimpest class on game
compared to other classes it's way down on the score board.
One thing I have discovered in this game. Focusing on just one area of development and feeling that is what determines your class potential is a major error.
This game has been around for many years and has been through allot of tweaks.
Your frustration on your specific class, can be argued for any class in one form or another.
Each class has default strengths and weaknesses. If your not happy with your current class, experiment with another.
Im just trying to offer options and things to consider. In the end the decision is yours to make.