That is because some people insist on using the extremely arbitrary chronological criteria set forth in a particular pop culture book published in 1980 to define our common cultural cohort.
See my Post 127 that describes the scientific study of U.S. cultural cohorts by Schuman and Scott.
The work of Schuman and Scott studied which birth years shared common cultural characteristics in order to establish cultural cohorts with scientific validity.
Landon Jones' pop culture book described the cultural characteristics of an obvious cultural cohort already in existance and then, without any scientific rhyme or reason whatsoever, arbitrarilly chose dates from Government statistics meant to track number of births per 1,000 population to define who belonged to that cultural cohort.
By the way don’t confuse someone creating his own name for the category (boomer), as having created the definition of the measurement, the category of that post war generation existed before 1980.
127 is just an excellent post, an example of why I hang out at Free Republic.
And the comeback posts from your debating adversary are just incredibly weak.