Australia already has this law in place where a company must hand over user's conversation. A company cannot make an excuse that they themselves implement e2e to prevent themselves from reading user's messages. Source: https://www.bbc.com/news/world-australia-46463029
UK has a proposal to ban encryption this year. It is still being discussed.
> Public pressure would be unlikely to work
Public pressure works to a certain degree. Do you think a product manager at Meta would want to be labeled as "protecting pedos"?