The French version says “n’a ni amarré, ni mouillé l’ancre, ni établi de contact avec un autre moyen de transport”. But the order is different in the English version.
Why should a person who only drops anchor, enjoys some sun, swims and returns have to report?
The role of tourism—to pick up on what you've raised—is to allow people to have fun. So we don't want to discourage people from engaging in recreational activities.
Why should people have to report in this case?