I don't see how taking out 15 neutrals beyond you attack your opponent is in any way an advantage. why not put your armies on a spy and not have to waste attacks on neutrals? Or put the 20 armies you would need to get past the neutrals on to your president and launch code to secure a nuke. it doesn't make much sense to me.
strikes through the missile without nuclear capacity are known as conventional missiles strikes, they are pretty lame, if you if let them turn the game you must be doing something wrong.
I disagree, especially in escalating - you just bust on through. But even in no card games I have won this way (you whittle the 15 down to 1 or 2 over a number of turns)- I guess it's the fog that makes it different.
I do agree though that the numbers are fine for the moment - as I think an alternative to the NUCLEAR option makes for good gameplay.