Smith: Now what? Things have changed. The market's tough. I'm sure you can understand why our beloved parent company, Warner Brothers, has decided to make a sequel to the trilogy.
Neo: What?
Smith: They informed me they're gonna to do it with or without us.
Neo: I thought they couldn't do that?
Smith: Oh, they can, and they made it clear they would kill our contract if we didn't cooperate.
The film itself explained pretty well why it exists and why it was how it was.
Your self checkouts oversee bagging and lock up constantly? No wonder you hate it.