When I say free pass I mean for his terrible record in the Mosconi Cup ...
Shane has played in the Mosconi Cup 8 times (2007 - 2014).
The aggregate match record for the USA in those 8 years is 55 wins and 84 losses.
Counting half a point for a win or a loss in a doubles match and one-fifth of a point in a teams match, Shane's contribution to that 55-84 record is 14.1 wins and 18.0 losses.
So, for those 8 years, we have the following match-winning percentages:
• Team USA -- 55 - 84 = 40%
• Shane -- 14.1 - 18.0 = 44%
• Team USA excluding Shane -- 40.9 - 66.0 = 38%
In other words, relative to his teammates, Shane hasn't been so terrible.