No. Some? Maybe. All? No. I worked at a few companies where, when I needed to model a tricky system and build out an algorithm to do a tricky job, I turned to

No. Some? Maybe. All? No. I worked at a few companies where, when I needed to model a tricky system and build out an algorithm to do a tricky job, I turned to Racket as a draft. Once I got a POC done, we’d turn around and build it For Real™. If all you’ve ever done is work as an implementer, then yeah, this flow doesn’t make much sense. But I think for people who work as problem discoverers, this is more common than not.