It's not like Golarion is doing incredibly better than dath ilan on the strength of its greater selfishness.
Keltham elects not to say it out loud, for now.
"They didn't think I was a mistake, a person that they'd wish they'd never made and brought into the world. Nothing like that. Not even close. They felt they'd made their own wrong life choices that had resulted in me existing, that's not the same as saying that I shouldn't exist, that if there's a button you press to get a Keltham, you don't press the button. They just felt that they could've made other choices and gotten some other result instead, and then they would have felt like they'd made their own choices correctly, not that one possible child would be - more valuable to them than the other, if you put them side by side -"
"Their lives are also theirs, and their regrets belong to them, and they didn't try to make them be something about me or something of mine."
A sudden lump comes into his throat, as Keltham realizes, having not quite thought of it before:
Everyone who knows me thinks I'm dead. Really dead.
The Keepers have to know. The Keepers ought to tell anyone who's really broken up about it, right, it shouldn't be that much of an infohazard - that you wouldn't even tell the kid's own parents, he's still alive -
The Keepers will tell them that Keltham is still somewhere, probably many different somewheres but some weighing more than others, and that to say anything about the details is far beyond anything the Keepers can do. The Keepers would not be able to foresee specifics like Golarion.
Dath ilan wouldn't put that much effort into cryosuspending people if they expected all the selfish sadists to end up in worlds with masochists who give them everything they want.
Maybe hearing the current state of knowledge is actually worse for somebody than thinking their kid is just gone, because if they're just nonexistent, nothing any worse can be happening to them, and more importantly, you can be done thinking about it at some point.
Maybe the Keepers won't tell his parents, or anybody else who knows him, after all.