a builder's codex
codex · patterns · PM should prototype vs. PM should up-level

PM should prototype vs. PM should up-level

Position A — PMs must prototype or be bypassed

Position B — At scale, PMs should up-level the why and what, not ship more

Conditions distinguishing them

Resolution / synthesis

The contradiction is on the prescribed move for the PM-bottleneck problem. Both diagnose the same condition (eng now ships faster than PM). They prescribe opposite fixes:

Reconciliation by seniority + stage:

The trap is doing the wrong one for your stage: a senior PM who personally prototypes everything fails to up-level; a junior PM who up-levels without ever shipping artifacts becomes vapor. Both cards remain true within their stage band.

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