I think: Those who predicted the danger, safely avoided it and warned people. Everyone figured these people were just naysayers and went ahead. Now they have ex

I think: Those who predicted the danger, safely avoided it and warned people. Everyone figured these people were just naysayers and went ahead. Now they have experienced (perhaps second- or third-hand) the danger, they know that it's there. The only thing is, it's a little too late now to backtrack entirely.