We may be those things on paper...
but artifical laws do not change Human nature. What words on a paper say, and what the programming deep in our brain says may not always add up. Human behavior has been penned over millions of years, and laws that have been on the books for a few decades aren't going to override it. Sameness and conformity have a soothing affect on the soul. It's the difference between a symphony and a cacophony