Completely agreed. One analyzable example of this faith in 'the truths' of science can be found in the editing of Wikipedia. In my experience, there's low tolerance or regard for alternative hypotheses in its articles. That approach has long been highly costly for science.

Even Sagan, now and then, recognized the necessity for caution ... and he put it on videotape.

The suppression of uncomfortable ideas may be common in religion or in politics, but it is not the path to knowledge, and there's no place for it in the endeavor of science. We do not know beforehand where fundamental insights will arise from about our mysterious and lovely solar system. The history of our study of our solar system shows clear that accepted and conventional ideas are often wrong, and that fundamental insights can arise from the most unexpected sources. - Cosmos (https://www.youtube.com/watch?v=0MlN7iVIuhk#t=4m09s)