Fire and Brimstone Hell is also commonly believed, but not actually in the bible, if I recall right.
Most of the punishment around Hell in the Bible is less about Hell itself, and more about not being able to enter Heaven and join God, and all of that, as oppose to Hell itself being punishment.
Plus working hard is not necessarily correlated with being paid more, or being promoted.
The company could easily refuse you promotion if you’re considered irreplaceable.