What are the impediments to strategic intelligence analysis and why have they persisted for so long?

Discussion Forum format – not a paper: 250+ words Choose one of the two topics: 1) Why is the development and presentation of finished strategic analysis products, primarily the NIE and PDB, so complex, and often fraught with contradictions and nuanced conclusions?-or-2) What are the impediments to strategic intelligence analysis and why have they persisted for so long?