Then you're effectively arguing that Finland never should join NATO. That's fine. But if someone believes that Finland ought to join NATO (and many people do),

Then you're effectively arguing that Finland never should join NATO. That's fine. But if someone believes that Finland ought to join NATO (and many people do), now is the time to do it, sparks or not. I just think it's misleading to argue it as "they should've done it before anyone realized it might be needed or wait until it's too late".