It is the sole signatory of the agreements with Ryanair.

Incremental traffic and number of projected rotations (agreements with Ryanair and AMS

According to Italy, So.Ge.A.AL expected the agreements with Ryanair to be profitable for the airport at the time they were concluded.

The fact that the resulting NPVs are all positive would presumably confirm that it was rational to conclude the agreements with Ryanair.

The fact that those NPVs are all positive would confirm that it was rational for the airport manager to conclude the agreements with Ryanair.