I don’t even get what these are protesting.

It doesn’t make sense because the protest is an invention.

or intentionally using low-quality AI output in their work without fixing it.

Translated: “our software tool works poorly and produces bad output. If workers do not work to manually fix the output, then they are InTeNtIoNaLlY sAbOtAgInG our business. Responsibility should be on the workers to fix our product’s flaw.”