One has to study and listen to those who have, and that with humility and an open mind. There is a principle (whose author I cannot call to memory) that promises a result that will forever leave mankind in perpetuated ignorance, and that principle is CONDEMNATION BEFORE INVESTIGATION.
Solomon wrote in Proverbs, "He that answereth a matter before he has heard it, to him it is folly."
I will leave several short video links that will perhaps, reveal why some people believe what they believe without just jumping on a bandwagon, or answering a matter before they have heard what is being said.
Understand that this speaker served the United States Missile Defense department as an informations system specialist, and has the highest level of security next to Generals. Dr. Chuck Missler - GENIUS.
Keep an open mind to his wealth of knowledge -- he is an intellectual with an informed perspective on these matters. So this is not to persuade, although it will make many question what they think they believe, and certain bear witness on what they think they know.
Take this seriously: there are some people who study so deeply that they are able to demonstrate where what is often scoffed at, is immediately celebrated by those who have previously been skeptical. An informed opinion, requires that we allow some medium, whether shaman or book, to open the eyes of our minds to see reason to believe. Here are the video links, and I hope that you enjoy them.