If they had said "Get out in the sun and move your body! Eat a balanced diet. Be cautious about large groups of people . Take advantage of technology (the internet, libraries on line, Audible etc) to improve your mind, learn a new hobby and so on, I would have thought they were on to something or at least taking the cream of the good advice that is to be had and regurgitating it.
But alas, no.
They, as usual, are a step behind.