Complex sentence: As well, remember that a category is not automatically a valid substitute for a list--if the category's head article could never be anything more than a bulleted list of individuals who happen to meet the criteria, then a category is not appropriate.
Split into simpler sentences: As well, remember that a category is not automatically a valid substitute for a list. If the category's head article could never be anything more than a bulleted list of individuals who happen to meet the criteria, then a category is not appropriate.