As others stated, shell scripts and some other automation that have to call the cli tool directly, or where we need to build out the cmd and execute it on a remote node.

We use libcurl and pycurl where it makes sense. This rule for cli options extends to other binaries as well, some that don’t offer libraries like curl does (think closed source firmware tools or ancient homegrown cli tools.)

Docker files too, basically just bash scripts with a different syntax

Bash scripts?