I would expand this question, to include all of our epistemology:
Why should we believe anything?
By what process do we differentiate between Truth and deception?
Why should Miss Starky's kindergarten instruction be more credible than some movie, or tv announcer, or politician?
Why is the bible subject to derision and skepticism, and all other propaganda sources believed without question?
Some of us tend to believe or disbelieve things
based on evidence.
Research of any kind is conducted in a culture
of doubt, or it is false research.
Religion is a culture of faith-things you cannot
show with evidence, but must simply accept on faith.
You keep worrying about
Truth, but you cannot define
it. Let the philosophers go around endlessly, it is
pointless to talk about it here, or anywhere for that matter.
FACTS though, we can do those.
Now as for the bible- it is not very good on facts.
There is zero evidence for any of the supernatural.
Not one demonstrable fact about that in the whole book.
The history etc. is spotty.
The bible is not really the object of derision.
The way people read it and make claims
for its accuracy is often a good cause for
derision. Watch "hydroplate theory" on youtube
for an example of why self styled bible-believers
are in for derision.
Skepticism? That is well applied to most anything.
It is not at all the same sort of thing as derision,
which involves a conclusion about the wrongness /
stupidity of something.
and all other propaganda sources believed without question?
Who here or anywhere is doing that? Talk about a
strawman!
NOBODY who has a clue how to do research or
even do common sense accepts anything without
question.
"Accept without question" is for fools, or, betimes
the religious.
Was that one of those freudian slips, where you
referred to the bible as a propaganda source?