Certainly true for practical effectiveness. For epistemic skill building, though, I think practicing prediction in difficult technical domains is more useful than not, and studying epistemics can be very useful there.
“Addressing any lurking mental health issues” might also be useful for epistemic skills. For example, you might realize that you have an unconscious reason to flinch away from certain thoughts.
Certainly true for practical effectiveness. For epistemic skill building, though, I think practicing prediction in difficult technical domains is more useful than not, and studying epistemics can be very useful there.
“Addressing any lurking mental health issues” might also be useful for epistemic skills. For example, you might realize that you have an unconscious reason to flinch away from certain thoughts.