Owner claims a raise is impossible, worker quits then learns the new hire is making more than they requested, they cancel their notice period

There's a significant lack of consistency in the pay scales of many organizations — especially small businesses. You may be running the entire day-to-day operation of the business, pushing (unsuccessfully) for a raise for years, only to discover that the guy your boss has just hired to make Tik-Tok videos is making more money than you.