I think he is trying to say that "Be more aware about the shit that has happened in the not-too-distant-past but not recently." Also, the parallel he draws wit

I think he is trying to say that "Be more aware about the shit that has happened in the not-too-distant-past but not recently." Also, the parallel he draws with Perceived Risk of Economic Crash based on past data does in fact coincide with times of major shifts in our perception of risk.