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by gryfft 35 days ago
The short answer is that it's a very, very longstanding convention that would be a nightmare to change and wouldn't provide any benefits. It's hardcoded into the kernel and who knows what other programs will always assume UID 0 -> root.

There's some further reading on Stack Exchange. [1]

1. https://superuser.com/questions/626843/does-the-root-account...