not that those are necessarily bad in all ways but they sure do contribute to unpredictability
financial crises come and go; the one 15 years ago was interesting but not, as it turned out, a second great depression
ukraine was one of the major topics of the note i linked, though not explicitly mentioned
covid i'm not sure about. you would expect 6.98 million confirmed deaths (and several times that many total deaths) to have a cultural impact like aids or the holocaust, but if it has, i am not sure exactly what that impact is. i don't even see people wearing face masks on the bus when they have a cold, which is sort of the minimum i was hoping for