The vendor ships a proof of concept that works on sample data but fails against real documents, users, permissions, and edge cases.
Teams choose a model before defining quality targets, latency budgets, cost boundaries, human review, or fallback behavior.
RAG, agents, data engineering, product UX, and MLOps are treated as separate tasks, so no one owns the full production outcome.
AI features launch without evals, traces, prompt/version control, security review, or model-cost visibility.
The internal team gets a demo but not the architecture notes, runbooks, dashboards, or handover needed to own the system later.