People laugh at Preppers and call them crazy for taking prudent preparedness steps as insurance against future risks. It's a very human thing to do.
During the early days of COVID, some people started coming around to preppers being not-so-crazy-after-all, which lasted for precisely a few months before the toilet paper returned and preparedness being an acceptable idea left mainstream thought.
Expediency and lifestyle will always trump prudence in the human mind. It's the primary reason we will eventually exterminate ourselves, regardless of the specific existential risk we succumb to. The Great Filter is no great mystery.