I don't want a revolution, and don't believe I'll change the mind of somebody committed not to thinking too deeply about something. I just want some marginal changes.

I think Roko got a pretty clear explanation of why his post was deleted. I don't think I did. I think everyone should. I suspect there may be others like me.

I also think that there should be public ground rules as to what is safe. I think it is possible to state such rules so that they are relatively clear to anyone who has stepped past them, somewhat informative to those who haven't, and not particularly inviting of experimentation. I think that the presence of such ground rules would allow some discussion as to the danger or non-danger of the forbidden idea and/or as to the effectiveness or ineffectiveness of supressing it. Since I believe that the truth is "non-danger" and "ineffectiveness", and the truth will tend to win the argument over time, I think that would be a good thing.