Finland joining NATO: escalation towards Third World War?

I understand that some people are nostalgic for the 1980s, I am too… But the fear of nuclear war was NOT one of the good things about it. Seriously, why do so many people seem eager to start WWIII?
SCENES FROM: "Cosmos" (Carl Sagan, 1980), "Dr. Strangelove" (Stanley Kubrick, 1964), "So Long, Mom (A Song for World War III)" (Tom Lehrer).