Scala is not doing great, probably because they took too long to get 3 finished and good.
Yes. Companies are going back to Java because this is what all the convervative guys and girls want to use. That fact is what I am criticizing. You want fast horses, you don't want nice things.
So now you have Maven, semi-typed code intermingled with container logic because you cannot abstract over anything, you have millions of lines of impenetrable tests. Just like we all did in 2006. You all love this because learning things is not your forte :) That other stuff is for academics and niche.