A library is not a DSL, despite what the learned authors may claim. In fact, there are a couple of examples of "successful" DSLs in the data world - you could

A library is not a DSL, despite what the learned authors may claim. In fact, there are a couple of examples of "successful" DSLs in the data world - you could argue that Talend and DBT are visual programming tools for ETL pipelines. Defintely Zapier- which is just for integrating services that have well-defined REST APIs.