That's how Homebrew works. Other could use it but not install or upgrade. From Homebrew docs: https://github.com/Homebrew/homebrew/blob/master/share/doc/homebre

That's how Homebrew works. Other could use it but not install or upgrade. From Homebrew docs: https://github.com/Homebrew/homebrew/blob/master/share/doc/homebrew/FAQ.md#why-does-homebrew-say-sudo-is-bad- https://github.com/Homebrew/homebrew/blob/master/share/doc/h...