I wouldn't be that sad. Bad docs may be a good objective reason not to use Scala, but there may well be even better objective reasons to use it, like doing data

I wouldn't be that sad. Bad docs may be a good objective reason not to use Scala, but there may well be even better objective reasons to use it, like doing data science with Spark, or even building resilient fault-tolerant systems with Akka. The final calculation will, as always, rest with each potential user.