My 15 Pro Max has been fine. Even better since 17.0.3.
I don't use Siri on my iPhone, but this behavior seems very similar to what's been going on with my HomePod mini lately.
Siri also doesn’t work. It spins and thinks and then shuts down. No amount of rebooting the phone will cause it to work.
I don't use Siri on my iPhone, but this behavior seems very similar to what's been going on with my HomePod mini lately.