The story rhymes here, and the idea that a general survey on vacation planning habits suddenly sheds light on identity document verification seems a bit far-fetched.
The precedent shows that people are historically cautious with their travel papers, not because of a new vacation habit, but because bureaucracy does not forgive.
In the Netherlands, no one wants to be stuck at the border due to an expired passport, it is common knowledge, ingrained for generations.
This caution is a lesson learned the hard way, a kind of practical common sense in the face of administrative constraints.
It takes more than a simple Google Forms survey to explain why people continue doing what always worked to avoid trouble.