This is exactly the problem, as I have myself experienced firsthand. The 'problem' is that all of us - everyone - has a number of ways in which their life is '

This is exactly the problem, as I have myself experienced firsthand. The 'problem' is that all of us - everyone - has a number of ways in which their life is 'unusual'. Aberrant (deviating from the norm) is not inherently suspicious, because everyone is aberrant in some aspects of their life. Nobody is truly 'normal'. In fact, if you thoroughly investigated someone and found nothing that was 'abnormal'[0] in some way, that would be suspicious! Most people's individual personalities and quirks aren't suspicious if you look at the whole picture, but when someone's entire job is to find evidence of 'abnormal' or 'suspicious' things about someone it means that they can construct a suspicious narrative about anyone, as long as they have the motivation or interest to[1]. In other words, it simply becomes a game of finding evidence that confirms one's own (or an organization's own) cognitive or systemic biases. [0] More than 1 or 2 standard deviations away from the mean, etc. [1] CYA is a common 'motivation' in this sense.