I would bet the problem is cam lean. It is almost impossible to get a good paper tear with a fall away rest when there is significant cam lean present. You get right to left string oscillations upon release, with the fall away rest there is no forward support to offset this.

The upper cam on your patriot is certainly leaning in your picture. It is hard to tell how much. I dumped my DC Pat because the upper cam was leaning several inches inside the lower limb. You can try twisting the cable harness to offset the cam lean. This may alleviate some of your problem.