Earlier quoted context omitted.
Spontaneous pink baby sock knitting sessions? Dude stop trying to provoke people into writing things you can pick apart to feel offended about.
I think its a legitimate criticism of reductive statements against an arbitrarily selected group of people. It's an effective strategy to point out "don't say this about this selection of people if you aren't willing to start saying similarly about its opposite." I.e. one might not realize a blanket statement about the habits of 22 year old men is incorrect/untenable until someone points asks one to do the same for w…
Because group dynamics are not about getting it right for any member of a group -- in fact you can get predictions wrong for all members of the group and still be right in their overall behavior.
You can "get it wrong for a not-insignificant group of that selection" and still be right for the overall group behavior.
Likewise, you can get lifestyle/beliefs/etc wrong for "a not-insignificant group" of people in the bible belt, but you can still make accurate statements with predictive power for the area as a whole...