I just looked at the source of this statistic and it's weird. Their table also shows technology use has the same effect size as perceived weight. If they had picked that comparison instead of "potatoes" it would make the opposite rhetorical point, I think. (1/2) www.nature.com/articles/s41...

That table also has order-of-magnitude variations for effect sizes across different studies (if I interpret it correctly, which I may not?) So now I'm confused. I do think that the core issue may be that "digital technology" is just too broad a category, and also individual differences may be key?

I think the potatoes effect helps make clear that this may all be noise