Target,
The equating of past religious atrocities with teaching creationism in US schools is a bit of a stretch, don't you think?
Arguing against teaching a "Creation Myth" in schools and arguing against religion are not exactly the same.
Anyway, that's not germane to what I'm saying.
I'm saying that all those "giants" you so revere (and want US youth to emulate) were probably, almost certainly. exposed to some religion's Creation Myth in their youth.

Nonetheless, and for better or for worse, that did not stop them from "thinking the deep thoughts" and "making the world/society a better place".
Some will argue that their early exposure to a "Creation Myth" may have driven their wonder and thus their desire for research.
Others will argue that their early exposure to a "Creation Myth" may have hindered their wonder and thus their desire for research.
Maybe, maybe not. Probably some truth in each camp.
As I said, though... it just doesn't matter.
The world progresses as the world progresses.
It might be possible to show where teaching a "Creation Myth" hindered man's progress. I'd also wager there's examples where such a belief may have driven and advanced man's progress.
Perhaps the world isn't meeting YOUR personal need to see progress but once again, I personally feel that there is "no doubt the universe is unfolding as it should".... despite your feelings or my feelings about teaching a Creation Myth in US schools.
As I said... I don't really care. I don't think it is/was/could be much of an obstacle to the progress of mankind. Teach it or don't... I just don't care. Because it really won't make any difference in the "big picture".