Is there an absence of a logical link between 'Essentially, random fluctuation in demand cannot be explained by trends, seasonality, cyclicality, or other factors like advertising and new product introduction.' and 'Trends can always explain fluctuations in demand.'
Essentially, random fluctuation in demand cannot be explained by trends, seasonality, cyclicality, or other factors like advertising and new product introduction.###Trends can always explain fluctuations in demand.