Mark mentioned that you rarely care about messages disappearing for previous conversations and that it's a good mechanism for privacy, makes it easier for decentralized social dms to catch up

Mark mentioned that you rarely care about messages disappearing for previous conversations and that it's a good mechanism for privacy, makes it easier for decentralized social dms to catch up
https://www.youtube.com/watch?v=7k1ehaE0bdU&list=WL&index=6&t=6567s

Zuck will say anything that sounds remotely positive and would not affect their core business. 

Chat history past a certain treshold in doesn't benefit Fb.