I see this as a lose-lose scenario. If Scotland votes to split - it is effectively the end of UK as we've come to know it for a very long time. Fracturing is almost always a bad idea and bigger countries almost always do better than the smaller ones. If they vote to remain that will be bad as well, because it will embolden the politicians (tories in this specific case) that they can get away with anything (breaking up the country with their disastrous Brexit in this particular case). I am a european living in UK.