Nothing under the Siri and Dictation section says anything about letting contractors listen to your audio.
The kicker here isn't that Apple was listening to these recordings. The issue is they advertised something else, and then on top of that, Apple sent recordings to 3rd party contractors.
https://9to5mac.com/2019/01/05/apple-privacy-billboard-vegas...
I went to that link they provided in the billboard, and then followed it to here.
https://www.apple.com/privacy/approach-to-privacy/
Nothing under the Siri and Dictation section says anything about letting contractors listen to your audio.
The kicker here isn't that Apple was listening to these recordings. The issue is they advertised something else, and then on top of that, Apple sent recordings to 3rd party contractors.