Your statement is incorrect.
If you really believed what Yudkowsky says you would be taking action that maximizes the chances of reducing a clear and present danger.
Between Yudkowsky and the Molotov cocktail guy, which approach do you think had and is having more of an impact?
An individual can rarely, if ever, enact change through violence. The history of nearly all successful movements is violence often makes change harder.
Rallying people through speech is a far more successful way for an individual to enact change through violence