Comment by hibikir

I think the GP is thinking about how libraries and ecosystems are often more important than the language. Most emphasis in scales is in a collection of competing frameworks that, today, are very FP oriented. Some hide the category theory while others put it up front, but it's ultimately what you do. The libraries that wanted to do imperative OO lost most support.

Also see, for instance, Java. There's Java, the language that keeps improving, and then the Spring ecosystem, which is what 95% of programmers end up having to use professionally, with its heavy "magic" component. Writing services avoiding Spring is going against the grain. It might as well be part of the language as far professional Java use is concerned.

Communities matter more than the language features, and Java is all Spring, and now Scala is really a choice of Zio and Cats