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Package identifier should be combination of author/package-name, not only package-name. That would prevent, or mostly prevent name squatting, typosquatting, and disputes such as KIK.
It's not package managers job to care about companies and their trademarks.
It may cause bigger deploy problems in future, if they start to change package names on behalf of companies and trademarks
It was right to keep leftpad up
A court of law might disagree with you. It's likely that they didn't want this to be set as a precedent, to reduce the chance they could be ordered to do this in the future.