I think it is about individuality so I don't have a sense to tell someone they need a makeover. One example I would give is Mariah Carey. She has been the same for so long but I bet she is thinking, "If it ain't broke then don't fix it. " She is dated but I love Mariah for that.
A certain kind of shittiness, a certain kind of stagnation, a certain kind of darkness, goes on propagating itself by its own power in its own self-contained cycle. And once it passes a certain point, no one can stop it-even if the person himself wants to stop it.