It is certainly possible to have a theory (e.g. Freud’s ideas about the ego and superego) that make[s] no predictions.
Though cousin_it will have to speak for himself, I believe he was specifically disagreeing with this when he wrote:
Show me any unfalsifiable theory, and I’ll invent some predictions that follow from it, they will just be “impossible to test”.
Though cousin_it will have to speak for himself, I believe he was specifically disagreeing with this when he wrote: