Qiyamat is near

fictitious or not, the speculations about Qayamat never go away. some molvi comes up with something, and tries to color it in religious terms. then when science disproves it, he goes back to see if he could find another gap or hole in the scientific theory.

my point is why do these molvis use science when only it is affirming their beliefs? why dont they accept it when it is the opposite way?