If your ego starts out, "I am important, I am big, I am special," you're in for some disappointments when you look around at what we've discovered about the universe. No, you're not big. No, you're not. You're small in time and in space. And you have this frail vessel called the human body that's limited on Earth.
The danger is that people may mistake what is basically a change in vocabulary for a change in behavior, practices, and attitudes. While practically all Americans have learned to talk inoffensively, not enough have learned to think differently, nor act positively.