If I understand you so far, Gould seems to have been wrong about something. Therefore, he's not a fallible text and discredited.
Behe's howlers don't seem to have had the same effect on him, as far as you're concerned. Already the situation is very odd.
Now consider that Gould actually made a significant contribution in punctuated equlibrium. He spent several years defending it and has brought most biologists around to recognizing that he and Eldredge improved the model in understanding how many cases of speciation work. OK, Behe thinks he's made a contribution rivalling those of Newton and Einstein, but not many people agree.
I suggest to you that everyone is wrong once in a while, but the leading lights are people who have been conspicuously right about something important and generally can think their way out of a wet paper bag.
Therefore he IS a fallible text.
The double standard you have observed is perfectly understandable. Creationism (and it's little sister, ID) is THE TRUTH!!, and therefore blunders, lies, out-of-context quotes, and just plain stupidity in support of such a spendid doctrine are all quite excusable -- even commendable. Eeeee-vooo-luuu-shun, on the other hand, is a false, Satanic, Marxist, Hitlerian, Clintonoid heap of garbage, so why cut those guys any slack at all?