I think some of this is that we have all different skill levels with the joysticks. I tried Josh's new settings on all pro and I control Arod. He ended up with 68% passing and there were a few throws off the mark and some pass break ups. 68% passing with ARod is pretty realistic for me. My issues with the previous set was Arod ending with 72% passing with 3 int's.
I'm the same way with the FG issues, I tend to miss FG's that are more than 40 yds.
I feel that if you tinker in one area of the game, you might be tinkering with other areas of the game that you might not be even aware of.
I'll let Josh answer the WR question, but I would think lowering the WR slider would lower the chances of catching a ball. I don't recall seeing the WR slider lower than 43 from the past Maddens with slider makers.