Which is essentially the whole argument of the article. For example as summarized in the last paragraph:
"Expert knowledge, of course, has an important place in democratic deliberation, but it can also cut people out of the policy process, dampen the urgency of moral claims, and program a sense of powerlessness into our public discourse."
Keep the model's assumptions in mind when making decisions based on it.
Always remember that it's a model, and consequently always wrong (as measured against reality).
All models have to be fine-tuned over time, especially dynamic models (where the system being modeled is itself subject to change in structure, consequently invalidating the model).
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If you emphasize that the model is just a model, and its assumptions (both for excluded factors and included ones), then you can make reasonable decisions guided by the model. If you fail to do that, you'll start to believe the reductionist model and make flawed decisions.