I’m surprised neither Google nor Apple have taken voice reading of webpages out of the accessibility ghetto and made them full fledged interfaces yet. Why can’t

I’m surprised neither Google nor Apple have taken voice reading of webpages out of the accessibility ghetto and made them full fledged interfaces yet. Why can’t I walk the dog and say “hey dingus, read Hacker News” and get a decent experience without having to look at my phone or put it in a voice UI only mode.