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For unix processes, exit status zero is conventionally considered success and non-zero is failure.

Now that Urbit is not entirely vaporware any more they regret this, but reverting the decision is not worth the trouble:

There are more interesting insights in that thread about Urbit’s unorthodox decisions.

That's normal in Asia. (They swap everything in the UI when porting Playstation games over here.)

Indeed, ine may want to earch for "batsu and maru".