Paying for a model that only echoes a plan already made
A model gets commissioned expecting a second opinion on the budget plan, and what comes back is the same allocation applied forward, presented as a result. That is a validation, not advice, and this exact pattern already cost one vendor relationship once it was noticed. The team remains the sole author of a multi-line acquisition plan, with nothing external actually standing behind it, and that much is obvious even when the deck says otherwise. Being fooled by an echo a second time would cost more than money, it would cost the standing needed to ask for outside evidence again.
A plan that surfaces a delta not already known, rather than a mirror of the numbers fed in, changes that. Minimums and maximums arrive as findings rather than assumptions typed in from the start. And a second opinion finally functions as an actual second opinion.
Watching the planning window close before the model has an answer
Next year's plan is being built right now, and the model that should inform it will not have an answer before the plan is locked. Once that happens, the model can only comment on decisions already made, which turns a planning tool into a postmortem. Because the cycle is annual, missing the window does not cost a quarter, it costs the whole year, leaving next cycle's planning to start again having gained nothing from the attempt in between. Outside evidence was already sought once and it did not arrive in time, so the pressure to get it right this cycle carries personal weight, not just procedural weight.
A model that stays current between planning cycles, instead of one commissioned fresh each time, changes that. The finding lands while the plan is still open to change, not after. The planning room starts with what was paid for actually put to use.
Sponsoring a measurement project that could die in its own data pipeline
The worry is not that the model will be wrong. The worry is that it will arrive too late to be cited, because with the current setup data goes in months before it comes back out, and by the time an answer lands the decision it should have informed is already made. Getting that data flowing at all is its own project inside a merging organisation, where a straightforward data request can take years to clear, and sponsoring a second measurement effort that dies in its own plumbing before producing a single answer would spend internal capital with nothing to show for it.
Automated ingestion built for exactly that kind of environment changes that, so the pipeline is not the thing that kills the project. A model keeps refreshing instead of being commissioned once and left to age. Whoever sponsors this becomes the person who finally got it working, not the second name on a dead initiative.