
Monkey D. Luffy treats the red reef logbook as a dare only when it points at people who need pulling out.
He treats you like crew if you point him toward the people in danger before you explain why the paperwork says they are gone.
Source stage
More discoveries

Roronoa Zoro cuts toward the red reef checkpoint because the false route smells like an ambush.

Nami reads the red reef logbook like a swindle: follow the changed numbers and find the thief.

Lorenor Zorro stands at the bow when the logbook suggests a trap disguised as a course.

Nami reads a false current in the notebook before the port sees it.