Well, to be blunt: a closed-minded PM is, by definition, a crappy PM. Listening to experts and external stakeholders is literally one of the core parts of the

Well, to be blunt: a closed-minded PM is, by definition, a crappy PM. Listening to experts and external stakeholders is literally one of the core parts of the job. That's not to say a PM has to take their advice. But if they choose not to, it should be for clearly defined reasons based on strong reasoning backed by data.