It is rare that there are paradigm shifts in our security practices either because of changing circumstances or new technologies. These things often happen slowly and in ways we don’t notice until we retrospect over long periods of time. We don’t have the opportunity to see a drastic change and compare how things were before and after.
The conspiracy theorists are ideal targets for fascist recruitment as they, whether they are aware of it or not, hold a number of anti-Semitic beliefs and have an authoritarian mindset that views any deviance from their line of thought as the behaviour of mere ‘sheeple’ at best or a serious threat from allies/servants of their imagined shadowy cabal at worst.