A stranger mouthing off in a convenience store is basically the reason GTA 6 took eight years to make. Rockstar's head of development, Phil Hooker, sat down to test one story mission. He clipped another car on the way, so he pulled into a store to get his health back, and some guy inside started talking trash. That turned into a fight. When it was over the register was just sitting there with nobody watching it, so he grabbed the cash. Then the cops showed up. He ditched his car and stole a…