Earlier quoted context omitted.
On the other hand... I was really against the Iraq war and nobody ever threatened me with 15 years of jail for it. The architects of that conflict left when term limits were up. (Putin did not.) Don't get me wrong, Iraq was pointless. Afghanistan seemed to have a justification at the start but was mismanaged early on. In terms of culture, wide swaths of the population were brainwashed in a similar way to how we talk…
I don't really think if you will do peaceful express your opinion against war in Russia maybe with single protest you will get a real term in prison only a monetary fine and even this is not always the case.
Moreover, some specific individuals have been murdered for speaking about Putin. Anna Politkovskaja and Aleksandr Litvinenko were both murdered for questioning the official narratives on Chechnya.