Excellent article. Since beginning a much briefer writing career nearly 4 years ago I've observed low pay (especially for copywriting) and am grateful to make about $8 an hour here. I mostly write humor but throw in poetry now and then, which probably makes 2 cents an hour.

Here is my related piece, detailing my Medium earnings.

https://medium.com/illuminations-mirror/the-medium-follower-fallacy-e1482f8cca44