The Inner JSON Effect https://thedailywtf.com/articles/the-inner-json-effect
I only hope it's an horror story but there are too many details that sound credible
The Inner JSON Effect
Jake eagerly stepped into his new job, grateful for more experience and new challenges, craving to learn new software stacks and see what his new company had to teach him about the world of software. They told him he’d be working on some websites, dealing with JavaScript, Node.js, JSON, and the like. It sounded pretty reasonable for web development, except for the non-technical interviewer’s comment that it was all “built on top of Subversion” which he assumed was a simple misunderstanding.