That team isn't that bad, really. You have a good rebounder, and another decent one. Your ath/speed is not elite, but its good with the def. You also don't press, which is also a bonus. However, the RPI in inflated due to playing average teams who have around a .500 record - it will drop as the season goes on. You only played 3 pretty good teams and went 2-1 (both wins at home before the HCA was changed.)
This team isn't going to be an elite 8 type team, but it shouldn't be a surprised that they are decent in a weak world.