My impression is there's always been strong resistance to studying anything that might disprove current dietary dogmas. NIH invested $700 million into failed WHI. Goal was to prove low fat diet prevents diseases. And win Nobel Prizes. What incentive now to prove a 60-year error?https://twitter.com/MichaelMindrum/status/1153693307668770816 …
I guess most people who go into academia tend not to be of the iconoclastic/contrarian personality type. "Don't rock the boat"