If you replace high paying jobs with low paying service sector jobs employment rates stay the same, but it isn't beneficial to the person going to the service sector job. Currently there are massive strikes that have been going on in the teaching sector in places like West Virginia, Oregon, Kentucky and other places. California university employees are going on strike over wages and working conditions. Expect to see more across all different sectors, especially as Trump's tariffs start playing havoc in the economy and companies start to squeeze labour to keep their profit margins up.
Trump got elected promising rural rest belt Americans that things would get better, he would create change for them, but there has been nothing meaningful for them, yet. Sure, the coastal elites like Pitbull are celebrating their tax breaks which will reverse in a couple of years time, but they aren't going to swing the election for Donald in 2020.