Signal is very proud that once a long time ago the state came to them asking for user data and signal could only tell them they had no data to provide. That has changed. Signal now collects and stores exactly the data they were being asked to hand over. It's not clear at all that your data with signal is protected. Security concerns were brought up repeatedly and were ignored (see for example https://community.signalusers.org/t/proper-secure-value-secu...)
Signal still brags about "that one time we had nothing to hand over" though. They still have a page on their website talking about it. They've never updated their privacy policy to reflect that are collecting and storing sensitive user data either. Not a good look for a company you're supposed to trust with secure communications.
On the other hand, it's not exactly hard to find out who's talking to whom if the server owners want to (or are forced to). Traffic analysis without onion routing is trivial at least in theory, so tptacek isn't quite correct either that Signal does not allow any sort of social graph obtaining. Sealed sender helps a little, but is not a solid thing to rely on if you're the kind of target for whom they would even bother submitting a subpoena. Wire also doesn't keep a list of who's in a group with whom (your client handles that) so there, too, you have to do traffic analysis to find these relations -- just an easier form than you would have to do if Wire would have had sealed sender.
Hence I consider it all about equal, with a small asterisk for Signal that they try really hard to make it as good as possible (compared to Wire doing just the now-regular end-to-end encryption).
https://old.reddit.com/r/signal/comments/htmzrr/psa_disablin...
The folks at community.signalusers.org caught on before it was even implemented, but most people had no idea why signal was suddenly asking them for a pin and no idea what data was being collected when they gave it one, and no idea the data collection would still happen if they opted out.
Just look at this recent thread and how very very wrong so many people still are (confidently even):
https://old.reddit.com/r/signal/comments/q5tlg1/what_info_do...
The terrible communication, followed by the fact that their privacy policy was never updated (The very first sentence of which is an outright lie) are huge red flags. The nature of Signal makes it a valuable target. While I can't rule out simple incompetence, if signal has been handed a national security letter with a gag order and the state is on site collecting user's data Room 641A style, this kind of behavior could be explained as them telling their users not to trust them as loudly as they could. Wire would seem more trustworthy in that sense.
Ultimately though, the fact remains that the best way to keep your user's data safe is to never collect it in the first place. Signal could have given people an option to opt out of the data collection like many in the community had been asking them to and none of this would have been an issue. Since there are other apps that don't collect and store your name, photo, and lists of everyone you've been talking to I'd rather just stick to recommending those. I'll admit to still feeling a bit bitter about Signal though because I was a fan and the alternatives I've found aren't nearly as nice to use.
Have you looked at https://signal.org/bigbrother/ recently? There are five instances of this, one as recent as November 2021.
And yeah this is a blanket statement you can use for any application: nation states can get at your data using "CNE" regardless of what app you're talking about, presuming there always exists an "E" for your client (which is indeed a fairly safe assumption with these featureful OSes and apps). Not sure why you're applying this argument to Wire but not Signal.
I'm being terse because I'm not super interested in relitigating this on this thread. Signal and Wire have different use cases. Wire isn't evil, it's just not the same product Signal is. There are people closer to Signal's engineering who can pick up the particulars if they think it's important to shoot down anything anybody else said here.