Hooray! Warner has acknowledged that they messed up and they updated the HBO Max app for Apple TV to switch it back to the native tvOS player/controls. HBO Max Fixes Apple TV Bugs: Technical Errors Resolved With Update - Variety I just launched the app and, sure enough, it's back to the old controls. Even asking Siri "What did she say?" worked. I still don't understand how they made such an error to begin with but I give them credit for admitting fault and fixing it fairly quickly.