Those 5% go on to make an upper-class salary sitting in an air-conditioned office instead of a lower-class salary turning wrenches and stacking boxes. What makes more sense than enabling everyone who can to attain that life?

(Plus every one of them who gets out makes life better for the rest at least by reducing downward pressure on wages, and hopefully also by creating new business opportunities that raise wages further by increasing supply. Rigorous education is almost always a win-win: https://matiane.wordpress.com/2021/09/15/democratic-educatio... )