It's only details from that perspective though, from an user's perpective they're essential because of cultural relevancy that's tied to images, popularity and

It's only details from that perspective though, from an user's perpective they're essential because of cultural relevancy that's tied to images, popularity and familiarity, that's what counts for most. It's really important to understand that details change depending on perspective. Many people just expect more complicated web apps because of the alternatives they use and are familar with (native apps). It compares well with the stairs example of the article. If there are no people other than you that expect a stairway, you may just pile up some boxes, or use a rope and combine it with your workout. Do you really need and expect a stairway if it's only you?