I recommend people watch Invasion of the Body Snatchers (1978) to test that. I was impressed with the sound in general and the fact that I felt no need to turn on subtitles. But in particular there's a least one scene where characters are whispering to each other. I didn't need subtitles or to adjust the audio, every word was perfectly intelligble.

It's also a clear sign that it's not my ears, it's not my setup, it's the sound mix of modern movies.