Voice interfaces have been decent for a while now, and the majority of people still use a GUI for the vast majority of interactions. They have their place but they're not going to become the dominant mode of interaction for a bunch of non-technical reasons (primarily because people don't generally want to loudly announce their work at all times).

That's only because there is still work left to do that AI hasn't taken over yet.

More and more people are just talking to Claude (now through a textbox, but soon through voice)