What Messaging App Would Protect Users From a Court Ordered Subpoena?

Title says it all, in light of recent events from Meta I'm interested to know if Signal or Element would be safe to use. I understand that the people involved in that scenario broke the law by aborting DIY past the deadline for the state of Nebraska.

However, the state I live in just crininalized abortion from *conception*. There are also proposals from state legislatures looking to criminalize crossing state lines to seek one, as well as allowing private citizens …

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