You can look at people born between dates X and Y and ask them questions then ask the same questions to people born between dates Y and Z and then compare. That’s all this article did.
The sample size is such a small percentage to the group size it can not be conclusive on any level. A quick estimation - Gen Z could account for over 1.2 billion people. The sample in the article is 1000 British people which is 0.0000833%
You can look at people born between dates X and Y and ask them questions then ask the same questions to people born between dates Y and Z and then compare. That’s all this article did.
you could do the same for race , sex, eye color, people who wear flip flops. If its not repeatable then its really drivel.
It sounds like your real issue is with how social sciences work and not the contents of this article.
My real issue is with false and misleading information.
What is misleading? They asked a whole lot of people a simple question then reported the results back. This is hard data that is analyzable.
The sample size is such a small percentage to the group size it can not be conclusive on any level. A quick estimation - Gen Z could account for over 1.2 billion people. The sample in the article is 1000 British people which is 0.0000833%
Now I see that your issue is really with statistics.