Its an issue when you self censor opinions which deviate from the mass. It also an issue of freedom of press. The government know who you talk to through metadata collection even if you use encryption.
I find myself self-censoring on topics like this, not because of what I (don't) fear is being done by authorities, but because I can't help but to note that we're not, in fact, living in some Orwellian dystopia, and that seemingly the surveillance that is being done is promulgating a safe and stable society, but not toeing the sky-is-falling line doesn't do much for those numbers by my username. Meanwhile, there are…
What's the use of being able to freely discuss any story if the people who's job is to uncover sensitive stories are silenced?