>>10961504>>10961514His ideas were good enough to act as basis to a very effective system of propaganda. Consumerism was created by Barnays using his ideas, and Freud being such an enduring meme on pop culture is because Barnays used his propaganda techniques (which are just an applied form of Freud's work) to make Freud's work popular.
So his theories do have explanatory and predictive power.
He wasn't right about everything, but he did capture something fundamental about how the human mind works