One of the features that elevates org-babel is being able to work on the same data in multiple tools. It's not uncommon for me to start with data in a table, transform it with a bit of python or lisp, and feed the result into gnuplot.
If you could point to one simple example of this it works be awesome! I've used org-babel but in a very fragmented way. My sessions were separated from each other and I did not use multiple languages on the same data