I personally suspect that galaxy line is the result of the writer not knowing the difference between 'galaxy' and 'solar system'.
They both have stars and orbits, right?
I note that depending on how the whole things with Krona and 'antimatter universes' and 'the creation of Evil and Entropy' played out, the implied 'destroyed entire alternate universes for being evil using a multiversal portal planet' may have actually been a quite reasonable and measured response to some of them. Of course, I think both that and the slave-factory planet are no longer fully canon, or at least not canon-as-originally-described.
Comic book canon is stupid like that, though the ideas are often interesting.
... At least, I hope that antimatter doesn't cause people to start doing evil-for-the-sake-of-evil?
Controllers vs. Guardians, a moral examination:
Let me start with this:
The Guardians have done a lot of good. The Green Lantern Corps does a lot of good, and the Guardians have set up rules and leadership for the Corps that help them do it. They have made compromises - a near-absolute prohibition against killing (though they break it in secret,) strict limits on technology-sharing (and stricter still on uplift,) and keeping secrets about failures and unpleasant decisions. But
by those compromises they have created a Corps which is, mostly, a force for good many thousands strong, each individual a person of immense power and conviction.
The thing is... the Guardians have enslaved species too. They've annihilated people too. They want to control the galaxy too.
They just say, "For their own good." and "While respecting their rights." But they determine what is good, and what the line is between rights and privileges... and 'Doesn't make trouble for the Guardians' and 'Doesn't develop anything powerful enough to challenge the Guardians' are suspiciously often factors in that.
The Controllers, because they are not beholden on a Doylist level to being the Green Lantern Leaders, just say it in supervillain-language instead of superhero-language. I think in both cases they're anti-heroes on a mind-boggling scale of operation; not unreasonable, precisely, so much as... not-always-but-sometimes careless with the galaxy-spanning power they exercise. And I level that opinion at both of them; the Controllers
have done some really stupid stuff (although if Effigy hasn't happened yet then they're currently in a period where they're quite reasonable - they're coming out of their old stupid plans, and haven't yet started on the new stupid plans, and so there is a window of opportunity to keep them on good plans and push them towards truly great ones.)
Remember that the Corpse uses Compassion-purple energy to kill. It's not called 'indigo' but I took a look at some of the art, and...
it sure looks like the Guardians have their assassins framing pacifist healers for murder.
Remember that the 'go into the Green Central Power Battery' test speaks of the universe being pure Will and Imagination. This is the world the Guardians then envision:
No hate. No want. No fear. No death.
No hope. No kindness. No love. No life.
Minds in orbit around matter, observing and deciding without reference to 'base urges' like revenge or greed or 'intangible ideals' like justice or beauty.
