>>/23024/
> I'm the hardest worker at my career's location
That's pretty good anon. You can probably ask for a raise or promotion in the future. Probably.
I read online that you can usually get it if you do that + upper management likes having you around.
> as the veterans of businesses remain on the lower salaries and they simply change the terminology to 'wage differential'.
That's sounds pretty scummy. Maybe quitting is an option. Because they probably can't stay in business if the most productive workers end up leaving for greener pastures.