DO NOT SPREAD FUD.
If you could be bothered to spend two microseconds on a search engine, you would find this[1] which states IN THE FIRST PARAGRAPH :
For users who turn on Advanced Data Protection, the total number of data categories protected using end-to-end encryption rises from 14 to 23 and includes iCloud Backup, Photos, Notes and more.
[1] https://support.apple.com/en-gb/guide/security/sec973254c5f/...