I would have been surprised and intrigued if the title read "Why we use R instead of Python". I've used Excel myself as a student in 2003-05, when R or Python w

I would have been surprised and intrigued if the title read "Why we use R instead of Python". I've used Excel myself as a student in 2003-05, when R or Python weren't known. And now I sometimes teach Economics students, and they all work either in R or in Jupyter Notebooks. Many of them routinely do what was unthinkable -- process 100s of thousands of records, do geospatial queries and joins, etc.