Python's builtins, the standard library, and many popular community libraries and tools use docstrings to generate tooling and documentation websites. Describing it as "useful for a certain workflow" is so understated it borders on false. The reverse is more true: docstrings are not useful for a certain workflow, but most Python programmers will find them quite helpful.

All Python programmers already benefit from the docstrings written in the libraries they use, which generate tooltips and documentation websites.