SBF: wrong again. What is considered "truth" is different for different people. Not everyone is privy to all of the same facts and information, and not everyone observes said facts and information from the same or even a similar viewpoint. A truth that is "Truth" for everyone all the time would be an absolute truth, something I'm sure you would agree is impossible.
When someone criticizes another's beliefs or acceptance of facts, it is not as much because they disagree with their own beliefs, as much as pointing out the inconsistencies of of someone's supposed "truth".
I believe something to be true because at this point in my life, with the information that is available to me, this is the decision I have made on the matter. If in the future something changes, I will have to be willing to consider that as well or else become willfully ignorant. When I have become ignorant, my viewpoint and opinion on "truth" will no longer be of any value.
Right now SBF we are criticizing your views because we see flaws in them, not because they oppose our own. To criticize you because you don't agree with me would be to give myself way too much credit. If you point out reasonable flaws in my reasoning, I am forced to reconsider my view.