Does Illinois' top 'defend marriage' group think we're all 'mistakes'?

This was a popular refrain at yesterday's "Defend Marriage" lobby day in Springfield, Illinois:

PHOTOS and full report: Gay marriage opponents gather at Capitol [Windy City Times]

When people say "God doesn't make mistakes" in an LGBT context, typically they mean it in a pro-LGBT way. As in, "God doesn't make mistakes, so clearly God wanted LGBT people here for a reason." That's the obvious application to ours, a world that clearly does feature quite a few specimens who happen to be L, G, B, or...