I think the point here is more one of it being possibly a proper technique when used correctly, but also being aware that it is open to abuse and there need to be ways to deal with that abuse. Airport interdiction isn't the same as pulling someone over for being in the left lane for over ten seconds and then taking everything they own. The PBS NewsHour had an interview with the article's author last night and it was interesting, although not in the same detail as the article.