I would like to improve this example:

https://matplotlib.org/devdocs/gallery/lines_bars_and_markers/scatter_piecharts.html

But I'm actually unclear, what the key message is:

• Should additional information be encoded in the pies? If so, one should have different pies at different points. This would require individual markers xy* per point.
• Or is this only a way to illustrate how to create fancy multicolored markers? In that case, I'd probably not adapt the size and resort to plot() instead of scatter() to keep it more simple.