I think the story of how "if only the 80,000 +/- blue collar workers would have voted for HRC" than things would be different is not looking at the entire stats of who all actually voted for Trump. The blame is being put on Dems because they showed "contempt" for these workers and that's why they voted for Trump as a backlash.
Ta-Nehisi Coates latest book, "We Were Eight Years in Power - An American Tragedy" includes an epilogue with a breakdown of voters. As Coates says, "...in this analysis Trump's racism and the racism of his supporters are incidental to his rise. … evidence for economic decline as a driving force (my emphasis) among Trump's supporters is, at best, mixed. … Trump's white support was not confined by income. … Trump won whites making less than $50,000 by 20 points, whites making between 50,000 and $100,000 by 28 points, and whites making $100,000 or more by 14 points. … Trump won white women (+9) and white men (+31). He won white people with college degrees (+3) and white people without them (+37). He won young whites, age 18 to 29 (+4), adult whites, age 30 to 44 (+17), middle-age whites, age 45 to 64(+28), and senior whites, age 65 and older (+19). … In no state did Trump's white support dip below 40 percent. … From beer track to wine track, from soccer moms to NASCAR dads, Trump's performance among whites was dominant."
Trump's biggest campaign applause line was "build the wall." The fear of the brown horde is real, and although many of those who actually voted for Trump may never admit that is a big reason they wanted him, I think it's still a real factor for the next election as well.