Signal uses donations to keep running. That’s one of the reasons why they don’t need to do this kind of crap. Kinda like Firefox.
It’s sad to see that slowly but surely the Internet gets divided into the more and more useless giant sector and the free and open sector, which just doesn’t get the attention it needs to be attractive enough for most to switch over. And then there’s also this weird shadow area where I often hear those pirate chanties from…