Apologies but had to return to this matter.
I am not aware of any proof poker players are smarter than the average person. In anyone can point to a study where the average poker player has been found to be more intelligent than the average person feel free to point us in that direction.
In fact what little study has been done suggests they are no different in terms of intelligence than any other subset of the population. The disconnect lies with the fact poker players like to perceive themselves more intelligent- a need to convince themselves they are engaging in something other than
gambling.
There are, naturally, some extremely intelligent people in the upper echelon of card players. Which makes them no different than people who have succeeded in other fields – business, banking, science, medicine etc. -where inevitably intelligent people rise to the top.
As for the self-delusion (excuse the harshness) anyone can work to greatness in poker, no they cannot. You cannot teach intelligence as we all possess an innate IQ. If it is an average IQ then you could study mathematics, physics or chemistry for years and you are not going to emerge a brilliant scientist. Likewise, a certain ability within the arts. No matter the tuition you will not become a virtuoso.
You can produce a well educated average person, but the idea you can teach or learn superior intelligence or skills is not based in any reality. If true, there would be a factory of sorts where Einsteins and Picassos were emerging at the end of a production line. They aren’t.