Whatever Trump may, may not, can, or can't do if elected remains to be seen. All politicians pander in one way or another. Of the 4 (3-1/2?) in the running right now, Trump is the better choice for me simply because he does not have a previous, political track record.
As for his stance on wages, I tend to agree with him. I owned a pretty sucessful company for 30+ years, and have pretty good understanding as how wage hikes can hurt a business, which in turn can hurt an economy.
He also seemed to blame her for her shortcomings. Criticizing one of your most famous students doesn't seem like a great business idea. He really shouldn't be addressing this at all, beyond maybe saying that they're both working hard and hope that results will get better.