Not entirely; there are various spaces for dissent and debate, depending on where you live and how you integrate into the local socio/economic environment
Couldn’t there be part of that presented world? The parts that we question may be the specific ones that the “presented world” allows us to.
Every human will once in his life investigate something that is completely unknown to his other living human fellows - he will investigate what happens after his own death and he will do so all on his own. Don’t underestimate the courage of being human.