Yeah, applies to databases and documentation especially. Databases have the ol' 3NF, you also want to avoid copying data from one source of truth to another in

Yeah, applies to databases and documentation especially. Databases have the ol' 3NF, you also want to avoid copying data from one source of truth to another in a multi-service environment, and sometimes I intentionally avoid writing docs because I want the code or API spec (with its comments) to be the only documentation.