Working on it right now, in fact.
I think you may have one negation too many there.
Svbtle puts the content first - the content is the end game, where as Medium puts itself first; the Medium brand itself is put first; the content is just an afterthought.
I tried Svbtle myself, and while I like the product aesthetically and conceptually, customization features that I really wanted like adding custom tracker tags just weren't there yet. I chose to keep using Ghost for now.