Eh, correlating two time-series trends is almost a gimmick. If you saw that the per-capita cheese consumption of people who died by becoming tangled in their b

Eh, correlating two time-series trends is almost a gimmick. If you saw that the per-capita cheese consumption of people who died by becoming tangled in their bedsheets was twice or ten times that of the baseline population, that could still be a coincidence, because hey, that's always a possibility, but it would be a much more suggestive correlation than just observing that any two monotonic time series correlate.