A friend pointed out to me that the author a few weeks ago put out a Python versus R comparison where he makes the rather incredible claim that the addition of

A friend pointed out to me that the author a few weeks ago put out a Python versus R comparison where he makes the rather incredible claim that the addition of some opinionated packages in the R ecosystem is more disunifying than the 2.7 to 3.x split in Python: https://github.com/matloff/R-vs.-Python-for-Data-Science https://github.com/matloff/R-vs.-Python-for-Data-Science