Your idea is right on the mark, but still maybe a decade away . . . .
Remember the old saw about power corrupting and remember that today's EU was yesterdays defeated and fading europe.
These twits have built themselves a little empire. Until they step too far over the line, or until they simply implode back into their historic territories and associated animosities, they will grab every advantage to prove to themselves that they are a world power.
It's a lot like children finding themselves unsupervised at recess or finding the keys to daddy's car when the folks are at work....a large rush followed by a crash.
Don't spend too much time looking for rational diplomacy when the diplomats are exercising what they believe to be new found power.