[xg15]

Yes, but with all studies, it can be made in an objective way or in a way that already enforces a particular conclusion.

This is why, in serious scientific work, so much focus is placed on methods and reproducibility.

Here he used the less rigorous field of arts and design to wiggle out of that responsibility and present a blatantly biased study.

[dunekid]

We can think of it as the arts equivalent of the spherical cows in vacuum.