This isn't a matter of free thought. You are certainly free to think whatever you like, as are the deposed Dover school board members.
The issue is whether they could sneak their religious agenda into science classes by promoting a stealth version and calling it "science." They can't.
This is a profoundly conservative decision. Words, after all, mean things.
I think you misread the ruling.
It says nothing of anyone reading, writing, or discussing ID outside of school.
I doubt my purchase of Behe's Darwin's Black Box put me in on a "list". Methinks you are being a tad melodramatic.