[alfor]

Please take a look at a few of his video, you will see. If for exemple you look at the antioxidant effects in blueberries there is probably hundreds of published papers. If you want to explain the scientific consensus in a few minutes video so people can take action in their food choice you need make some simplifications. Also, you might need to discard the papers that got financed by the blueberries association if their finding are wildly differents than the general consensus.

And by all mean, you are still free to read all the papers if you have the time, but that is probably a one man job just for the blueberries.