Emphasizing calendar dates in deployment decisions often distracts from the real issue: operational unpreparedness. The chaos arising from a Friday deployment typically highlights systemic flaws in end-to-end ownership and contingency planning rather than the specific day of the week. Over time, businesses may face efficiency decay because of repeated reliance on myths rather than addressing underlying strategic and operational gaps. In a robust system, deployment readiness isn't tied to the week but to established SLAs and owner accountability.