Many of the social changes are already with us.
The biggest question might be what politics look like with an electorate that is simultaneously more educated and much closer to poverty.
How will a cohort in which home ownership, stable employment, dental insurance, and retirement savings are closer to dream than reality vote, if they vote in large enough numbers to matter?
How will a cohort vote when its members are more likely to be paying hundreds of dollars per month toward student loans than a mortgage even by their early thirties?
How will a cohort vote when it is locked out of home ownership except in the places that have been eviscerated and metaphorically strip mined to the point that nothing is left but service jobs waiting on the retirees who were too poor to leave - maybe as a nurse if you have the right skills, but more likely as a waiter or home health aid?
Excellent questions, and I think we know the answers.
Add to this a generation for whom a conservative social message simply does not connect, and we get 35-40% support for Trump vs. 50%+ for Clinton among those under 40. As the GOP updates its platform and views this may change a bit in favor of the GOP, but it may be too little too late. The economic factors will remain.
Famous lines from our current GOP President and the last GOP nominee were "You're fired!" and "I like to be able to fire people". They will have to do better than that.