Because if Russia does attack, then we are on the hook to go to war with Russia with our weapons, while both of those nations get away with spending more money on welfare because they know our guns will have to come in and save them.
If Russia attacks Sweden, then we need to go to war, where is your head at that you want to recreate the USSR and an empire that might defeat us this time?
Do you really want to return to the threat of America and the free world being conquered?