Facebook builds a team with the task to analyze encrypted user data without decrypting it.
It shows the company has no respect for end user privacy and only aims to gain as much profit as possible from selling as much user data as they can in every way possible.
archived source: https://wellthissucks.xyz/2021/08/03/facebook-is-reportedly-trying-to-analyze-encrypted-data-without-decrypting-it-archived-source/