I could have bought into this theory... Except that it has these four generations grouped and seems to just cherry-pick good and bad events for each to meet th

I could have bought into this theory... Except that it has these four generations grouped and seems to just cherry-pick good and bad events for each to meet the narrative. I would have expected that every generation have certain crises and certain renaissances active at the same time, and that the pattern of these might loop over time.