Svbtle: The Anti-Growth Hack
quora.com
quora.com
Saying 'Svbtle' is anti-growth because of a clean interface and a curated set of authors/posts is like saying Twitter is an anti-growth hack because they don't let people use more than 140 characters.
Traditionally, 'growth' is taken to mean consumers of the service: in this case, that isn't Svbtle's writers but Svbtle's readers -- which, regardless of whether or not you like the service, is a number that's certainly growing.