In response Dale Bradburn to his Publication
It's not to keep you from esoteric knowledge.
It's just plain old slavery, no roundabouts.
No reason to complicate it.
The promise of an afterlife of eternal bliss that has to be earned, coincidentally by working "honestly" or dying "honorably" for your lord, is just a very handy thing to a rich lord who needs his subjects to work and die for them.