I don’t miss argument special between fans between Luna and Celestia, particularly when it comes to the nonsense that was the Solar Empire and Lunar Republic.
Like the idea that Celestia you with some tyrannical villain who wrongly imprisoned her sister for power, it has been some sort of malkavian puppet master rewriting history and making it so that her subjects think she is some benevolent ruler when she is not.
Why are the other half Luna is just some poor woobie wanting to save her subjects from her evil sister. That Luna never did anything wrong and simply wants to free Equestria from the tyrant. That she’d see the need to bring the land into civil war and fight Celestia.