I didn't say it wasn't useful, I said it's not essential. And since burner phones can be traced too, I would lean toward simply planning ahead, memorizing things or writing them down, and showing up to things in person. That covers everything you need. That's how things were done for the first 40 years of my life, and it worked, and all of those things still work now. Then when you reach asylum you can think about the nice-to-haves.