The width of the pie means something. The two columns to the left and right also mean something. The steepness of the line between the two columns means zilch. Because: That depends on the pie width. Not on the column height. Don’t copy.
Willy also invented bars. I could also nag about them. Labeling to the left, scale to the bottom. And so on. But I won’t.
Studying role models is fine. Simply copying is not.