When you think about all the care and attention that has been put into crafting a show’s authentic, sparkling, emotionally impactful dialogue, it’s a no brainer that the same care and attention needs to be put into the subtitles in other languages
https://www.broadcastfilmandvideo.com/1412/why-subtitles-are-important-to-the-film-industry/

It’s through subtitles that you can access not just the story of a foreign film, but also each character’s own personality traits, communication style and nuances of speech.

International success depends on quality localization and this is something that producers and directors like Alfonso Cuarón and Bong Joon-ho are very much aware of.