The story originally happened to a Romanian teacher and the film also takes place in Romania (but in an ethnic Hungarian grammar school), so it is only indirectly about the Orbán régime. However, since then, a law has been passed in Hungary that bans talking to minors about homosexuality, so this is quite a relevant topic in Hungary.
The film presents social pressure very effectively, it is difficult to watch how her colleagues turn against the popular Hungarian literature teacher, who recommended the film Total Eclipse to her students when learning about Rimbaud.
I understand that the creators wanted to avoid using a heavy-handed approach, and for this reason, there are hardly any discussions about the subject matter, but this can leave the viewer feeling that too many things were left unsaid. The main character is also very quiet and subdued, which sometimes comes across a bit unnatural in her situation. Not totally unnatural though, since she is a literature teacher, I suppose it is plausible that she would never get angry or use any bad words.
What happens to the other main character (the student) is also shown in an understated way, perhaps the depiction is a bit too subtle for true drama.
For a film to provide a critique of a régime or a way of thinking, biting satire is more effective, like in the cult Hungarian film The Witness (A tanú). A more subtle approach, as the one used here, might feel a little weak.