Notes on gotchas while migrating 35kb preprompts from Opus to self-hosted Ollama

The article argues that enterprises should not assume frontier LLM providers will protect sensitive prompts, session metadata, or proprietary problem-solving workflows, and that self-hosting inference can reduce exposure while preserving institutional knowledge. For CIOs and technology leaders, the strategic implication is that LLM usage is shifting from a vendor-managed SaaS decision to an infrastructure, security, and governance decision—requiring IT to evaluate data sovereignty, operational risk, model performance, and hardware capacity as part of the AI stack.