It has the same problem that I have with coffeescript--the indent-sensitive syntax makes it hard to get a good grasp on complex hierarchies.
Honestly, I don't care what anyone working with me wants to use. If you're fluent in SASS, HAML, Jade, whatever. As long as the code you write is clear. Especially when it's super-easy to convert between SASS/SCSS as needed.
It has the same problem that I have with coffeescript--the indent-sensitive syntax makes it hard to get a good grasp on complex hierarchies.
Honestly, I don't care what anyone working with me wants to use. If you're fluent in SASS, HAML, Jade, whatever. As long as the code you write is clear. Especially when it's super-easy to convert between SASS/SCSS as needed.