Maillol knows what he's doing, right?  He should definitely know what he's doing much better than Keltham would.  Keltham can't improvise a handling mechanism better than what Cheliax already has in place.

...at least, Keltham could, possibly, think that, if he didn't know that everything about Golarion was simultaneously broken by his standards and that their mental health system is probably just "Hell takes care of it" which Keltham needs to remember is okay.

Maillol knows what he's doing, right?  He should definitely know what he's doing much better than Keltham would.  Keltham can't improvise a handling mechanism better than what Cheliax already has in place.

...at least, Keltham could, possibly, think that, if he didn't know that everything about Golarion was simultaneously broken by his standards and that their mental health system is probably just "Hell takes care of it" which Keltham needs to remember is okay.

And not what he should be focusing on from either a Good or an Evil perspective.  Good says, help all of Golarion and not one person close to you, Evil says, don't make Dad's Mistake.