Everyone knew the NSA spied on everyone, yet Snowden leaks were truly stunning, because no one had evidence of the sheer scale of what the NSA (and collaborators) were engaged in. Wyden Siren was already firing off about that many years beforehand, before we knew the actual truth, so considering his record, I'm also skeptical it'll be "truly shocking" for the average HN tech-nerd, but for the general public, to have evidence of what the government does? Probably will be "stunning", but the one who lives will see.