It will continue to exist because it's useful for the ruling class.
Terms like "unskilled labor" help the media do their job, which is helping capital convince the masses that the "unskilled laborers" are speaking above their station when asking for a livible wage.
It's "burger flippers" for people who want to call themselves more politically literate. Language currently used to minimize and undermine.
It will definitely continue to exist, but acting like there aren't connotations here or that they aren't directly related to the "real problem of low wages" is wack