Sometimes, all One can do for Another is to allow them to wallow in their own chaotic and confused ways, for, indeed, some refuse to take heed of mere words of mere peers.
If they can't, or simply won't, realize the futility of the Fools' Path they chose to travel, then perhaps they deserve it; perhaps you've only put yourself in front of a firing squad, in front of a trainwreck of Personality.
They have the capacity for choice, and so do you, and so, if they fail to use it constructively, it's likely up to you to remove yourself from such destructive environments, lest ye become such a Fool.
Learn from your mistakes. Even if they reject the notion of those of their own; there is no shame in acknowledging an honest mistake: perhaps one of the first was to part with some of your mortal Time and Energy on their insipid behalf.
I can call it so by name because I've made that very mistake from both sides, yet, I feel I'm wiser for it.
Perhaps a bit utilitarian, but I'm sick of trying to help others who claim to seek help, who proceed to simply abuse and manipulate the Energy and Time put forth by others for their benefit. Oh well. Only I fall within my dominion. Only within my dominion am I.