As someone proficient with R and Python, anything data viz-wise is substantially easier to do in R/ggplot2, particularly something complicated like this post.
Most of the R packages in this post aren't that new either.
Most of the R packages in this post aren't that new either.
Python for everything, but if I need to make something nice to look at, R makes my life so much easier, and the final touch in Affinity Designer/Photo.
In jupyter it's trivial to mix and match python and R anyway, all the wrangling in python and once it's clean, just basic tidyverse in R