The problem is leaders should not be basing decisions on a tweet but by listening to experts they have at hand. e.g. someone like Fauci would have told what tha

The problem is leaders should not be basing decisions on a tweet but by listening to experts they have at hand. e.g. someone like Fauci would have told what that tweet means. The second point, none of the nations did do anything different on 23rd Jan when WHO confirmed the H2H transmission and its severity, so how did that tweet made any difference?