I don't think he means centered *text* but rather a centered text *pane*, like the standard Scrivener setup, with editor in the middle, tree on left, other panes on right.

Jan S. wrote:

doablesoftware wrote:
>+ centered text
>text is at centered margin
>centered text
>two simple combinations, and such basic features
>society at the current point in time is
>clean design (centered text)

Having "centered text" is neither a 'very basic feature' nor is it
important. You just have a weird fetish---which, indeed, common users
may not understand.