I remember in one of his interviews, Rich Hickey mentioned that STM isn’t in the language to be used all over the place, it’s there to make some very rarely use

I remember in one of his interviews, Rich Hickey mentioned that STM isn’t in the language to be used all over the place, it’s there to make some very rarely used things possible, which otherwise would not be possible at all. Which is a very reasonable way to see it, in my opinion.