Why story point estimates diverge before Planning Poker begins

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Estimation disagreements often start during refinement, when team members read the same ticket but interpret its scope differently. A notification preferences request, for example, could mean a simple settings change to one person and a full API and database effort to another. Story points express relative effort and uncertainty, yet teams sometimes read them as fixed measurements, which breeds confusion over why similar estimates reflect different work. Relevant context is also scattered across tools like GitHub and Figma, so developers often estimate from incomplete information. The article argues that Planning Poker is most valuable as the start of a discussion about what each person knows, rather than as a way to settle on a number.

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