I don’t think they did this intentionally, or at least explicitly, but because of corporate ineptitude. Someone’s job was to merge data sources, and the boneheaded implications of this got through all layers of management and design review without any grownups stopping them.
If that seems implausible, I invite you to work at a bank for a few months. It’s… informative.
If that seems implausible, I invite you to work at a bank for a few months. It’s… informative.