I mean, the elephant in the room is the blatant licence violations orchestrated by LLM vendors. If your codebase is GPLed and serves to feed a LLM, it should extend to all the code produced by that LLM.
For decades, the FOSS community has been at each others throats about those licenses, and now that we contemplate the largest IP theft/reappropriation of all time, it's like, not big a deal. I can't tell that I'm a prolific OSS contributor, but enough to understand the sentiment: "I put code in the open to help humanity, not to make oligarchs better off with a newfound mandate to pollute".
I don't think that's a fair representation. Like for any community, you tend to hear the most about a vocal minority, and drama there was, indeed. That's not unique to Scala, that doesn't mean that a majority was engaged in it or was affected by it.
The point about fragmentation holds, though: Scala is a multi-paradigm language, so you tend to have communities assembling around core set of libraries and abstractions that fit their specific needs. It's not a bad thing from an engineering perspective (you get to pick the most adequate tool for the job), but it will be intimidating at first, and understandably ridiculous when coming from a different ecosystem that you've a choice of a dozen or so JSON deserializing libraries. https://index.scala-lang.org/ Is a great help, though.