Many have been vocal about the foolishness of excessive money printing and skyrocketing debt for a long time, but the consequences had not started to show up until fairly recently, so those folks were (and for many, still are) regarded as crackpots and losers.
Unfortunately, if they do bring the whole house of cards down, Society does not seem to be as willing to play ball with each other and wait politely in lines today as they did in the 1930’s. The authoritarian ways that have gripped (or re-gripped) half the world might tempt some in a situation like that.