I enabled it on my old Mac--because I am a huge freaking nerd. I never once needed it, but it made me happy. However, I think it's definitely a bad default. Mak

I enabled it on my old Mac--because I am a huge freaking nerd. I never once needed it, but it made me happy. However, I think it's definitely a bad default. Make it easy to enable, and the people who need it will enable it. But we should design and build for the normal case first.