Translate the following English sentence to French:
"These lead to the direct and undesired effect that airports start to compete with each other. They reason that as long as they are flexible enough, they will get a lot of freight traffic."
Il découle de la divergence de ces dispositions une conséquence directe et indésirable, à savoir que les aéroports se font concurrence : si j' adopte une attitude aussi flexible que possible, dès lors, je pourrai m' assurer d' attirer un trafic commercial important.