So that one, at least, was^Wis believed to have been targeted (which doesn't surprise me in the slightest, FWIW; there's a long history of journos and those associated with them being stopped and searched at the border — e.g. Glen Greenwald's partner being stopped in the UK a few years back post-Snowden).
That's not to argue that there's not a danger that we'll all get caught by it at some point. But I guess the question for many folks is: in just what level of tinfoil hattery do we need to indulge? For you and me, @sil, it might be minimal, because we're largely inoffensive to the state, and so it's unlikely we'll get flagged for searching (watch this conversation be the straw that's too much for the border-crossing dromedary). For someone who's been to the mid-east, or is of the right ethnic group to be stereotyped into the "we need to search this person" bucket, it'll be far, far more important to be able to be open and honest and secure at the border. Which rather brings us back to our original starting point.