"the 1980s" (picking 1986 since it's the mid-decade) are about as close in time to 9/11 (2001) than 9/11 is to us. Next year that's equidistant. At which point

"the 1980s" (picking 1986 since it's the mid-decade) are about as close in time to 9/11 (2001) than 9/11 is to us. Next year that's equidistant. At which point does 9/11 not matter anymore?