Marketers Use the General Model of Customer Experience and Maslow's

Multiple Choice

Marketers use the General Model of Customer Experience and Maslow's Hierarchy of needs, although both models have weak points or there are conditions where they do not apply. If they are not universally true, why would a marketer rely on them?

A) Marketers use heuristics, and these models could be considered heuristics.
B) Even though they are not universal, exceptions are identified, and compensation is made.
C) As they are models, marketers don't need to use them if they choose not to.
D) These models are based on psychology, and marketers are trained enough in psychology to be able to refute or alter the models.