because LONDON.... you are British (?).... especially if you are.... we have allies we have sworn to defend (you). everything is connected....both politically and economically. Unless you don't care about ur standard of living...
Russia isn't going to point them at us...that's true. It should not be any secret to you that Russia has ALWAYS wanted to roll west. that's the point of Communism...it adheres to the same methodology as Christianity (ironic huh)....everyone needs to believe. If you don't submit....extermination is the usual answer.
It changes the parity of Europe....immensely. Not in our favor... or yours.
If the USA wasn't standing in Berlin in 1945....the Russians would have just kept rolling..... they still want to...make no mistake. Inefficient systems need to expand to maintain the myth and the cover up the waste. World domination is the goal of Communism...nothing short of it will do. Just like Islam or Christianity.
they want eastern europe back first...then west.