Don't believe everthing you hear. I've owned a bunch of bows, including the Mathews XT, Bowtech Allegiance, Hoyt Vulcan, and Hoyt Katera XL; I shoot the X Force better than any bow I've owned, hand shock is non-existant, and it's the fastest as a bonus. As far as tuning, it paper tuned easily and Slick Trick broadheads have flown same POI as field points out to 60 yards.
Here is one of my 60 yard ST groups: