So it looks as if the cohort buying has stayed roughly the same over the years. The average buyer was born in 1970. Bad enough. But when we consider the bell cu

So it looks as if the cohort buying has stayed roughly the same over the years. The average buyer was born in 1970. Bad enough. But when we consider the bell curve, to compensate for the older tail getting decimated by age it must have gotten even worse for younger cohorts than what "the average rises by one year per year" suggests at first glance.