I don't think there was ever any good evidence that the thought was dangerous. ... In which case, the thought seems to be more forbidden than dangerous.
If there was any such evidence, it would be in the form of additional details, and sharing it with someone would be worse than punching them in the face. So don't take the lack of publically disclosed evidence as an indication that no evidence exists, because it isn't.
So don't take the lack of publically disclosed evidence as an indication that no evidence exists, because it isn't.
It actually is, in the sense we use the term here.
Some research says that lurkers make up over 90% of online groups. I suspect that Less Wrong has an even higher percentage of lurkers than other online communities.
Please post a comment in this thread saying "Hi." You can say more if you want, but just posting "Hi" is good for a guaranteed free point of karma.
Also see the introduction thread.