At the top, there will exist a form of altruism so superficial and devoid of substance that only insane people will be able to join the elite class.
The best we can hope for is that the elites will be so insane that they won't last very long; that way we can get enough churn to ensure that no individual ever has enough time to enforce their insanity on the rest of the population.
As a group, we can hope that they will be so insane that they won't be able to agree on anything; their power will be constrained by their heterogeneous irrationality.
The worst case scenario is that we end up with homogeneous irrationality... Sadly we can see some signs of this today. Let's hope it can't sustain itself.
It does sometimes seem that mentally unstable people seek stability by leaning on other unstable people who are afflicted with the same kind of irrationality... Instead of looking to lean on mentally stable people who are different from them.
It seems as if mentally unstable people hate stable people. Maybe there is a deep seated jealousy behind this. Which is kind of ironic because they could probably get there themselves if they surrounded themselves with stable people. But they lack the humility to see this and nobody in their circles will ever point it out to them since they suffer from the same problem.