It's not a single case. The whole company is built on an exploitive and nefarious business model.
https://hackernoon.com/why-is-hackernoon-com-leaving-medium-... https://praxis.fortelabs.co/why-im-leaving-medium/
https://hackernoon.com/why-is-hackernoon-com-leaving-medium-... https://praxis.fortelabs.co/why-im-leaving-medium/
I've not watched the video, there doesn't appear to be a transcript.