Time series analysis is epistemologically bunk anyway. You’re telling me that in more than 100 years of study that arima or variants are still the best models? Hogwash. Next you’ll tell me that elevators take us up and down, rather than people simply rearranging the floors when you’re in the elevator…
Related and with less parody, most technical analysis is no better than chicken bone divination.
I was always a bit sketched out by the macro economics classes I took in college.