JonathanMosen, 
The summary of the Sonos AMA is worth reading if you have a deep interest in this issue. I am somewhat heartened by it, particularly given that we now know that most of the Sonos iOS app is written in Swift. This means that an excellent #accessibility experience is possible.
https://en.community.sonos.com/events-at-sonos-229141/new-sonos-app-community-ama-recap-6893728?tid=6893728&utm_source=community-care&utm_medium=systememail&utm_campaign=en-new-topic