Product management has largely shifted toward data-driven decision making over the past decade, and that shift has generally been positive. A/B testing, cohort analysis, and user behavior data have replaced gut instinct as the primary inputs for product decisions — and the product quality of data-informed teams has improved.

But data-driven methodology has a failure mode: the assumption that if you can't measure it, you can't decide it. In practice, many of the most important product strategy decisions involve situations where:

No data exists because the option hasn't been tried. The decision to enter a new product category or redesign a core workflow has no historical data in your product. The data that exists from competitors or adjacent categories is at best analogous, not directly applicable.

The available data is contradictory. Customer surveys say they want more automation. Behavioral data shows they override automation when it's available. NPS scores are high. Retention is declining. What does the data tell you? Nothing clear.

The decision involves a time horizon beyond your data. Your current data reflects the current market. A product decision that anticipates where the market will be in 18 months requires judgment about the future that no current data set contains.

Building the product intuition that makes judgment calls reliable:

Deep customer observation that goes beyond product analytics. Watching customers work, not just analyzing their clicks, builds the intuitive model of what makes work satisfying vs. frustrating.

Pattern recognition across decisions over time. The PM who has made 50 product decisions and tracked their outcomes develops pattern recognition that's different from data analysis — it's a form of embodied knowledge.

Deliberate post-mortems on intuitive decisions that were wrong. When you made a call that the data didn't support and it turned out wrong, investigate why the intuition failed. This is how intuition improves.

Data informs judgment. Judgment makes decisions. Know which you're exercising.