Maybe it's because SoshiTech is an inbound marketing/content marketing/content farm/black hat SEO website? I clicked on the "Apple" tag in the tag cloud and got back a list of completely unrelated posts. TBH I don't understand how posts like this get so far up the front page without some shenanigans going on.
Yes, this content was scrapped. (Hi, I published the article originally)
While I did re-distribute the content to Medium, we very much practice these principles where the post was originally published on ConversionXL
While the studies referenced do pull from different areas, "beauty", "retention", "conversions" they are all used in order to back up that science supports simple, prototypical, sites performing better.
This means less visual clutter, everything being where it is "supposed to be" and presented in a way that isn't over stimulating to the senses.
As far as the photoreceptors in your eyes are concerned, that's the bridge between the real world and your brain.
You don't actually "see" anything, your brain just decodes the information.
Less information to decode (i.e visual complexity) the easier the actual message has to get to your brain.