its not a question of whether the drug should be "legal" in society or not ( i think all drugs should be legal in society). it's not a question of whether the drug is harmful or not etiher.
the question is, does the drug give you an unfair advantage in the octagon.
now as far as dmt being produced in the body this is true, but nowhere close to the amounts you get when you ingest it from an outside source (otherwise people would be walking around having dmt trips)
but in any case, i think we can all agree that dmt would not enhance your performance in the cage in any way shape or form. it is a dissociative drug, it would have extreme detrimental effect on performance. i would love to fight an opponent on dmt, it would be like fighting someone in a k-hole, they wouldn't even be able to walk into the octagon.
Now if my opponent were on PCP, that would be a different story. i would probably run.