Probably because widespread recognition by influential bodies would require widespread acceptance by people who make up those bodies.
I think this is why the push for inclusion of Intelligent Design in science curriculum is actually being treated seriously, because a lot of people believe it and they're some of the people who can get it into schools.
And I think it hasn't had widespread acceptance because the credibility of people claiming to have extra sensory abilities is questionable, and expression of those abilities has never, to public knowledge, been reliably verified without more mundane explanations.
In other words there's not enough evidence that such abilities are real.
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