I don't think you ever need something like this. It's just another tool in your toolbox. It's like graphs and diagrams - at some point some information will be

I don't think you ever need something like this. It's just another tool in your toolbox. It's like graphs and diagrams - at some point some information will be easier to show this way than by writing it out in details. I've used it a few times. For example when justifying a project of migrating a large legacy app to docker deployment. It's also useful for getting a specific kind of result from LLMs - GPT knows how to summarise discussions/conflicts in ArgDown format.