1 - We'll lose the W3C. We'll have to either create another standards body, or go back to the 90's situation when nobody agreed on anything.
2 - There are a few places where actualy reading the data somebody sent to you is a crime. Despite the drawbacks on those kinds of law, some of those places are still very importantly economically, and we can't just ignore them, at least for now. If you create a code for "don't read this data" to be sent over the web, disobeying it will become a crime there.
1 - We'll lose the W3C. We'll have to either create another standards body, or go back to the 90's situation when nobody agreed on anything.
2 - There are a few places where actualy reading the data somebody sent to you is a crime. Despite the drawbacks on those kinds of law, some of those places are still very importantly economically, and we can't just ignore them, at least for now. If you create a code for "don't read this data" to be sent over the web, disobeying it will become a crime there.