By "metadata" GP is presumably talking, as I was, about Signal uploading most users' contact lists to the server with weak protection.

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akerl_ 2 hours ago | parent [-]

The point is that if the comparison point is PGP-encrypted email, which has no protection for any metadata and passes it on the wire in the clear, raising concerns about Signal’s metadata protections makes no sense.

	▲	TFNA a minute ago \| parent [-]
		In the context of this whole big thread, the point is that neither infamously leaky PGP nor Signal keep metadata secure from nation-level actors.