.XXX will be a self-fulfilling prophecy. If we believe it will fail then it will, and if we believe it will be success then it will be.
If they are a big success and start trying to change the law to move all adult sites onto .XXX , there will be no mercy shown to all of the non-XXX sites. This is Capitalism, so they'll use whatever ruthless technique they can to put their competitors out of business.
IF you can afford to turn down their money, and only IF you can afford to, then do and make it as well known as possible so as more webmasters follow suit
We can all vote with our money and by the rules of business we choose to follow; the way vote now will shape the reality of tomorrow