Should it scare us, though? I'll admit it is frightening to realise that at its base science is a house of cards, but let's not forget that it works, despite all the problems.
With regard to the previous comment, Carl Sagan is himself a case in point - like many others, his skepticism regarding God (which is logical and wise) became cynicism (which is not!).
Just my $0.05 worth with inflation . . .