"Doing wrong by ones other than the reds?"

"Yes? Might be hard to explain, but... there is a sense where I honestly think that letting people hating reds this way is doing wrong by them. This isn't the best life they could be leading because this isn't... their best selves."

" - I think I see what you mean. It's not really common here to try to make other people more moral."

"Like Trevor said, I know my limitations. But it's not even about 'more moral'. Well, you don't let people you care about commit atrocities. It is... Hate is not a happy emotion. Letting people hate when they have no reason to shouldn't be considered much better than letting them be unwarrantedly sad or scared."

"People try to make others more moral on Earth. It can get meeeeessy. But Felix comes from a place of providing."

"It'd be really good if people didn't have to worry about pollution, I'll grant you that."

Felix shakes his head. "I mean, it would be good if people didn't. But the disgust and the hate don't have to go together. And if you could somehow have a world where people still found reds disgusting but didn't hate them for it that world would be better for the clean people too." Shrug. "Maybe I'm pattern matching things wrong."

"I think people vary in whether they hate reds. I don't know if the ones who don't are happier. They might be."

"They might not be if they care about the impending genocide of so many people. But that isn't really an argument against what Felix is saying."

Sigh. "And besides the point. No practical concerns besides the fact that someday I might have to say 'I wish I could've done better'. I'm still in favor of doing things the way we are going to do."

"I don't think you'll have anything to regret. People who see reds less hate them less."

Head tilt. "I don't expect to spend a considerable amount of time regretting. But I'm not sure why that point is relevant?"

"Because you're achieving the thing you want, everyone not hating reds. Better than if you lectured them on it."

"Well, yes. I just think there is a trade-off made against the clean castes. ...In a hypothetical future scenario where someone that used to hate reds comes over to me and says 'I wish you had done something so I could've been better' I am going to apologize. Because I think I did something that is worth of an apology. It was just not worth enough that I shouldn't have done it."

" - fair enough."

They work on the public announcement and then submit it to the various countries.

Countries want to know who is the aliens' diplomatic representative and where delegations should be sent and whether the aliens are clean and whether things the aliens make are clean and many other things.

Felix is the aliens' representative, but the aliens are working closely with the Anitami government (which proved worth of this trust under magic scrutiny) and here are their contacts there. They now have a place to receive diplomatic delegations in one of the Linas.

The aliens are clean. They were before and a substantial portion of their bodies is now made of new matter, which never interacted with polluting agents on the account of being weeks old instead of billions of years old. Similar principle applies to the things that they make (In fact, this is so intuitively obvious to them that they are surprised it was even asked). And so on.

Can they have pocket dimensions now please.

Not now-now. However, they're more than happy to take steps towards that goal. Such as verifying the credibility that they're not going to misuse dreamshaping and adhere to the proposed laws, provide for created people, use the Anitami model and so on.

(The Anitami model, of course, includes the red dimension.)

Some places ask if that part's required, seems a waste of a dimension and makes it harder to keep an eye on them.

They think the Anitami model worked really well and are very reluctant to take steps away from it. They don't see how it's a waste. It's an improvement over current anti-pollution measures, it obviates the need to keep an eye on them (description of Isel's dimensional model) and it makes sense to have dimensions dedicated to specific tasks. Like farming and transportation. Back on Earth they actually stored toxic materials in dimensions specifically because it was safer than the alternative. Don't they want to further protect their people from pollution? They're unlikely to be as lucky as Anitam and get so many dreamshapers all at once, but the dreamshaping granting is going to be an ongoing collaboration between aliens and various governments and it's hardly going to stop at just one dimension if they proven themselves trustworthy with the power.

You still have to keep an eye on them, they might be planning something. Some places agree to have a red dimension once they have ten.

Planning what exactly? They're going to take these places under consideration. How many of them are willing to arrange for ten or more dreamshaper candidates, start with a fraction of those (including the red-dimension dreamshaper, of course) and then add the other candidates as time goes on?

Riots. Or strikes. Or to sneak out somehow.

No, the countries that want ten pocket dimensions before they do a red one want the ten before, that's the point.