I am too old, and too many beers thought me one thing. There is no actual difference between presentation and functionality with the way the core code is structured. As long as a theme is essentially just one more plugin the border between both will always be blurred.

Lets talk about content portability between themes if that is the issue instead of using misleading slogans.

BTW how exactly is content portability works between a theme that supports post formats and those that don't? Probably not very good for the user...

Users were looking for portable ways to have blocks of content that they can organize the way they would like to, but seems that even with the 4.8 focus core developers still don't get the distinction between content and web page, so guess all of us will need to wait for 5.8 release for something to be done about that.

Zerif's main fault was that they offered a solution where core don't want to admit that there is a problem.