Anecdotally, that is not true. I work with a reasonably sized team on a large website. We are collaborating with a well-respected design firm and our teams ar

Anecdotally, that is not true. I work with a reasonably sized team on a large website. We are collaborating with a well-respected design firm and our teams are both using Sass/Compass. Thus far, I would say it has been a great success. Variables, arithmetical, and mixin abstractions make the team integration much smoother. All this, and the learning curve is incredibly small.