Perhaps. Which would be a quite bad thing.Or perhaps the EU will pay for its arrogance. Hopefully we can all live happily ever after.
The EU started as a trade confederation but also the goal was stopping the wars in Europe. No EU country has gone to war since.
EU getting destroyed would be a bad thing in every aspect. Not only it will be a victory for racists and has all the economical consequences, but in long term it can open all kinds of problems.