I'm not one of your downvoters, but these devs still had entire manufacturing, marketing, distribution, and executive teams behind them. Sure, developing the game could take a person a few weeks, but no one person was going to get that onto the shelves of Walmart alone.

That's the big difference today. A person can develop a good game in a reasonable time frame, but they can also put that game on a virtual shelve in front of about a billion gamers world wide.