Whether you like Trump or not, I do not seem to remember a US (or for that matter any other) politician who invoke "fairness", or being "treated unfairly" as much as he does..
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What I do recall, is anytime past lower school, being essentially shut down, anytime I strayed into using being treated "unfairly" as a reason/excuse I had for under-performance, a foul-up or whatever, that ultimately was all or partly my fault..(think of all the tv shows were one kid gets the extra scoop of ice cream for being good - "NO FAIR" - cries the misbehaving one..oh wait, speaking of an extra scoop of ice cream.....)

It is a troubling sign of immaturity.....and a lack of willingness to take at least partial ownership for why things are the way they are...