Because this thread started in a discussion about the United Kingdom, I think it is relevant to cite how this exact scenario did happen in the United Kingdom.

https://www.facebook.com/piersmorganuncensored/videos/elizab...

Elizabeth Kinney was arrested for a homophobic slur used privately in a text message to a third party -- not even a public comment -- against a man who physically beat her. The man served no jail time for beating her.

https://www.youtube.com/watch?v=-bMzFDpfDwc

Is this source trustable? (I have no idea, I'm not german)

https://www.welt.de/vermischtes/kriminalitaet/article2521783...

The “Maja R” case would be a good start.

Maja R.

As upvotes are not visible, I also ask for a few occurrences of this.