I agree with Miller's concern about the overall level of knowledge and thinking ability.
If the creationists win in the long term it will only be by stifling rational thinking. The consequences for the US are large indeed.
I think that here in Canada they are not winning. A politician who is found to hold their beliefs is laughed at. (We have some
, and their colleagues try to keep it quiet ). To the degree that other countries hold them in check those other countries will surpass the US.