It's owned by an American no-prrofit with a dedicated subsidiary, so still a commercial product and (more relevant) usa-based with all the potential implications.
Wire is for profit but german-swiss.
And my understanding is that there is minimal meta data to hand over as the message contents are unreadable without the keys.
And there is also the darker side of some eu parties pushing for more surveillance, and in that case stuff like signal would be kind of a problem as well.
A USA court order is not going to get much compliance from a German/Swiss company.
> my understanding is that there is minimal meta data to hand over as the message contents are unreadable without the keys.
That may well be true at the moment (I believe so, anyhow), but it's entirely possible for the USA administration/security services to force any U.S. company to install backdoors and not be allowed to mention it to anyone.