Then by all means don't!
But if you think your personal incredulity is going to sway those who have studied the evidence and understood the math, you are wasting your time. On the other hand, if at some point you do wish to understand it, you can start by trying to understand how what people are telling you can be true, rather than by assuming it must be false and looking for problems.
Once you really understand the theory and its implications, it will be much easier for you to take pot shots at it if you are still so inclined.