A firm that analyses user attitudes toward specific subjects (e.g. companies) on Twitter claims to have shown that recent sentiment with regard to iPhones on this platform has deteriorated compared to that in 2018. Its research may also show that user discourse about Apple TV Plus and Arcade is flagging.
https://www.notebookcheck.net/Apple-s-social-media-stock-may-be-down-in-the-wake-of-the-new-iPhones.435215.0.html