My Critical Thinking Post highlighted one of the more pervasive of the cognitive distortion logical fallacies, that of polar thoughts; black and white thinking - the either/or statements of FALSE DICHOTOMY.
schpydurx's weekend post The Definition of Job To Do Theory quoted Horace Dediu's understanding of FALSE DICHOTOMY by stating it as such, then countering it with a FALSE DICHOTOMY of his own (highlights mine):
Your question was framed by an implied market categorization: that buyers are either high-income or, presumably, low-income. This is a false dichotomy. Buyers are either needful of a job to be done or not.