decoding in software is fine (computers are fast, batteries usually aren't a concern for TV connected stuff) for a huge number of people who watch movies, it's the bandwidth and disk space savings we crave, or at least that's my theory.

I personally am super excited for AVIF too. More revolutionary for more people than AV1 video will be? The web will make fantastic use of it in terms of page load times, and reading books in archive.org or something with instant load will be great