> “The app uses Accessibility features to insert transcribed text.

Correct.

> Accessibility features are intended to help users with different capabilities interact with their devices and app.

OK.

> Apps may not use features designed to increase accessibility for other purposes.

I would question that this is “for other purposes”. This is an RSI-prevention tool, makes it easier for users with limited dexterity in their hands/fingers to use their Mac, etc.