One of the most serious problems with religion is how often and easily it can tend towards or support authoritarian movements. This is something irreligious atheists frequently criticize about religion, so perhaps it should be expected for religious theists to try to turn this back around and accuse their critics of being authoritarian as well. In doing so, however, they not only misrepresent atheists and atheism but completely distort the nature of authoritarianism itself.
Read Article: Myth: Fundamentalist Atheism is Authoritarian, Gives Science too much Authority
Science is basically a method for testing educated guesses to see if they are worth anything. No theory is acceptable unless it can be tested and falsified.
Religion has a problem because nothing it believes can be tested. Prayer for others is statistically worthless, for instance, yet no religious scamer will admit to it.