Absolutely! The MECE (Mutually Exclusive, Collectively Exhaustive) framework's essence is ensuring clarity and comprehensiveness. While it's highly effective for API documentation, ensuring clear distinctions (mutually exclusive) and total coverage (collectively exhaustive), it can be applied to other documentation types as well. Whether it's user manuals, product guides, or even business reports, applying the MECE principle ensures that the content is both thorough and devoid of overlaps or ambiguities.