If you're talking about the metadata, yes, probably. It 's the same kind of eavesdropping capability you'd have from Signal servers (i.e: not much).
Also: from what we've seen of Macron's team, they've proven that they have good-enough internal technical advisors; so it remains to be seen if they'd use a solution that can be eavesdropped.
Also: from what we've seen of Macron's team, they've proven that they have good-enough internal technical advisors; so it remains to be seen if they'd use a solution that can be eavesdropped.