I bet the difference of opinion that people have over Rose saving Finn largely comes down to whether they believe that there was a chance of Finn disabling the gun.
Those who viewed it as a sacrifice with a chance of disabling the weapon probably have issues with Rose. Those that viewed it as a pointless attack with no chance of disabling the weapon are probably okay with Rose, since she prevented a senseless waste of life.
I’m torn on it. I don’t think it’s well communicated that his attack would have no effect, only that it’s a suicide mission.
I believe he would’ve disabled the weapon, and that Poe only called off the attack because there was no chance to make it out alive. But that wasn’t Finn’s plan. He was willing and was fully committed to dying in order to save everyone. Only…