A Google Forms survey with 78 responses is far from proving anything about document verification habits.
Just because a handful of people clicked boxes doesn't reflect the reality of behaviors of millions of travelers.
You can see a trend, not a scientific truth: what really changes from there is the extent of media hype.
For example, if the sample is mostly office workers who travel often, their planning habits will be very different from those of an occasional student. The concrete proof is missing.