Let's get rid of the hyperbole: a Google Forms survey with only 78 responses about vacation planning habits proves nothing at all about the underlying motivations or actual behaviors regarding identity document verification.
What concretely changes tomorrow? Nothing.
To understand why 75% of people check their papers in advance and 25% at the last minute, much more robust data would be needed, perhaps a longitudinal study on thousands of travelers or an analysis of travel incidents related to documents.
Just because I filled out a gym registration form doesn't mean I became an Olympic athlete, does it?