Because you have indicated that you allow entire classes of people do your thinking for you about subject matter they do not know. As such, race car drivers can only speculate and fantasize about the unobserved past, just like scientists and consular officials.
The better question is why you are so desperate to have others of particular classes tell you what about their areas of ignorance you are to fantasize and to speculate, and to presume it all as being true. Personally, I think it's a stupid thing for you to do, and I would never allow it to happen to me.
Do you seek out specific classes of people to tell you what to believe about what they don't know? Answer: Yes, you do.