@nixCraft the biggest problem is them calling it "AI". How about locally generated subtitles using a neural network to do the speech-to-text translation?
It is of course a waste of computational resources for 95+% of everything that gets played in vlc, as you can often just download subs. But I can imagine that hearing impaired family members would love this when they watch some home videos of kids birthdays/weddings/graduations/...