system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why do well established brands (eg. Coke) still market themselves so aggressively? What do they stand to gain when they're already a household name?
gpt
All that marketing is how they continue to stay a household name. These aren't video game achievements where once you reach them, you never lose them again. If these established brands stop marketing themselves, they will start losing market share.