Was it the lack of initiative to do simple google search on gut brain physiological connections? The common phrases gut feeling, gut check, gut intuition are related to the gut brain connection.
Was it the lack of insight into the hundreds of billions of dollars spent on prescription drug propaganda? Google how pharma company marketed Oxicontin, which was huge part of opioid addiction crisis.
Was it the lack of clarity in the scientific community reproducibility crisis? Especially in the drug development fields, where Big Pharma has big incentives to push through dangerous drugs on people? Please Google prescription drug called Vioxx.