In your hypothetical example where personality editing is possible, the consequences would be much more wide-ranging. Much of human suffering is due to human sh

In your hypothetical example where personality editing is possible, the consequences would be much more wide-ranging. Much of human suffering is due to human shortcomings and weaknesses. Therefore, if it becomes possible to edit minds, the incentive to make everyone resilient, jovial, agreeable, patient, extroverted... etc. would be strong enough that a natural normative standard would put itself into place by the action of market forces. Having a diverse set of personalities helps society but every parent would want to give their kid the traits most conducive to fitting in and being happy.