There are certainly folks that argue the language it too big. Here's a great talk arguing that a lot of language features should be eliminated and Scala should be made a functional programming language: https://www.youtube.com/watch?v=v8IQ-X2HkGE&t=1s&ab_channel=...
I'm personally in the camp of "keep Scala huge and weird and multi-paradigm, but just make less breaking changes and focus all efforts on making the ecosystem more stable".