Regardless of history, insecurity has a large percentage in vote. something I told an angry gay dude at a starbucks ranting on about "white trash" and so on. The more you understand why the white trash is where he/she is, the more you feel less "hatred" and more empathic to their situation.
The Latinos will continue to flood in regardless of any "walls", the first person to suggest a wall I believe was some senator back in the 1980's, Arnie used it for his run as well.. so Trump is just another late comer to the wall it off concept.
The latinos voting for Trump are the long term settlers, or those that see their jobs being taken by the new influx.. again; insecurity.
The issue is no longer walls or controlling immigration, it has to do with taking in the disenfranchised.
Washington IS run by corporate concerns, and as much as Trump is the molotov to this system; he is sadly still good friends will all of them.
What I fear from Trump is not bans on Muslims or more racism, it is that he is at the end still a misogynistic businessman who will manipulate policies for self profit and leave all of us high and dry. The rust belt, Joe the mechanic or the GW1 vet who left after one tour and rants on Islam; he is not going to feel the actual crunch of it. The actual crunch of a failed economy hits small businesses, hits the middle class and hits jobs. Hillary was business as usual, and Sanders was too hip, but this is a case of a swindler making the top.
However, this is not unusual. Such results have happened in many other democratic states and the result has been economic ruin followed by a quick voting out of the swindler.. and another rebuild.
Lower middle class can be educated too. The issue is with exposure and insecurity more than anything else.
Education and exposure, both go hand in hand. One can be educated in nuclear physics but have the exposure to just one narrative; leading to a nuclear physicist but nothing more.