Original writing can be difficult, trying to burrow into some (hopefully) new part of what life means. Taking someone else's writing and trying to adapt it can be difficult and then some: change enough but not too much, make it fit a new frame without losing the meaning, keep everyone happy without pandering.
Fortunately humans have proven to be pretty successful at both creation and adaptation. We're good at fixing things; we're also pretty tolerant in a lot of ways, able to either find coping mechanisms or little tools that get us through. And sometimes we just take what is thought to be unadaptable, ride as it is, and it works out. A straight retelling is a good thing. People can live with the oddities over time, and even come to accept them. Another evolutionary benefit at work.