We have no context for what "flagged" or "monitoring" means, though. There's no indication that these rules are taken to mean anything in isolation beyond what is frankly common sense. The idea that just Googling Tails means you're monitored is a narrative leap.
If I write an email about Viagra, the recipient's spam filter is undoubtedly going to consider it to have a non-zero probability of being spam. That doesn't mean it will be blocked, in the end. Nor does it mean that the spam filter is wrong to take notice.
I think the fact that they can tag us based on what we searched or read is chilling. It's even more chilling that now the argument has been flipped from being appalled that our right to privacy has been utterly destroyed online, to arguing if it's right to be flagged for further review for simply searching or reading about specific subjects.
I think those assumptions are not supported by the available evidence[1], and that the authors they know this. Who cares what the NSA says? I'm looking at the same thing the authors are presenting and drawing different conclusions.
[1] Including the abundance of evidence already available about XKEYSCORE.
I think erring on the side of the assumption that is bad for everyone is more likely to be true. Especially since its consistent with the NSA's overreach in other areas.
If I write an email about Viagra, the recipient's spam filter is undoubtedly going to consider it to have a non-zero probability of being spam. That doesn't mean it will be blocked, in the end. Nor does it mean that the spam filter is wrong to take notice.