Your comment conveys another implication that UN is supposed to be impartial to issues between member countries. That cannot explain veto power of five permanent members of UN security council, which no other country has.
On consistency: I don't think UN, as a group of nations with conflicting goals, tries to behave in a consistent way, although people are free to blame it for its inconsistency.
On consistency: I don't think UN, as a group of nations with conflicting goals, tries to behave in a consistent way, although people are free to blame it for its inconsistency.