C++ is not a functional language and it doesn't run on the jvm. So this is more of a question of what are you looking in a programming langauge. For teams that

C++ is not a functional language and it doesn't run on the jvm. So this is more of a question of what are you looking in a programming langauge. For teams that are already heavily invested in the JVM it's very attractive. There are also a ton of advantages in the multi-processing aspects of scala.