If metadata is good enough to drone strike weddings, it's probably good enough to throw you in a concentration camp too. And since data never dies, it might be enough to throw your grand kids in concentration camps.
Now, protecting everyone's meta data is hard (probably impossible), and I don't mean to be defeatist - but "it's just metadata" doesn't sit well in a post Snowden world. We know all large intelligence agencies hoover up this stuff.
And we also know that agencies are made up of people, and some people abuse their access.
I certainly don’t mean to discount the importance of metadata. I specifically mentioned ensuring Signal fits your threat model.
To suggest that metadata of communication over Signal between my spouse and I will be used against my grand kids one day is a bit absurd though. Of course there’s tons of metadata connecting my spouse and I. It would be more suspicious if there wasn’t.
Spouse, "family" and friends are different goalposts. Mapping friends and family is AFAIK a key part of who gets bombed by the cia. Sure, if your spouse is found to be an "enemy of the state" under a new totalitarian government - your immediate family will have problems.
If a friend turns out to be union organizer, you might be banned from jobs, if the government decides to collude with employers (again).
Now, protecting everyone's meta data is hard (probably impossible), and I don't mean to be defeatist - but "it's just metadata" doesn't sit well in a post Snowden world. We know all large intelligence agencies hoover up this stuff.
And we also know that agencies are made up of people, and some people abuse their access.