Black holes are unpleasant things to be around, and that's not just because they're places so warped that mathematics means nothing inside them. All the familiar rules get twisted up around them, and if you're not skillful or you're not paying attention it's easy to end up getting your big, shiny starship trapped forever. Given the right black hole, you could cross the event horizon and the only indication would be all the light of the universe winking out behind you. You're perfectly fine, for the moment -- but you're always getting closer to the singularity, the ultimate destructor.
This is kind of how I feel about modern politics, specifically the United Kingdom's vote to leave the European Union. Seventeen million people decided it would be a totally rad idea to skim the event horizon, and come now, it couldn't possibly be as bad as the rest of the crew was saying. Except now the universe has gone out behind them, and every trajectory in spacetime leads closer to the singularity, and they're realizing that playing chicken with a black hole is, in fact, not the wisest decision anyone has made.
I'm seeing commentary pop up now -- Charles Stross, for one, has a good rundown here -- that the UK may not have crossed the event horizon after all, that there's still a way out of the situation and a way to stay in the European Union. Whether it's a second referendum to say "actually, about that, wasn't that a capital joke, simply capital" or clauses in the Scottish and Northern Irish constitutions that could give them vetos over leaving the EU if you squint, there's a lot of desperation out there to walk it back.
Personally, I think it's not going to happen. Things have already gone too far for that. A wound can be healed, but it can't be uninflicted. Words, once said, cannot be unsaid. Democracy is an axiom of the United Kingdom and the European Union, and saying "whoops, just kidding!" undermines that whole foundation. I know it would be better for everyone for the UK to stay in the EU; my personal preference is for them to stay.
But they can't, not anymore. Look at it this way: if you took a shit on your boss's desk, how well-disposed do you think she would be to your frantic, frenzied apologies, your begging to not be fired, when she discovered you wiping your ass with a dayplanner? We've all experienced times in our lives where we wish more than anything we could rewind time, use the Omega-13 to correct a single mistake, but that never happened for any of us and I highly doubt it's going to happen for the UK.
The EU is not going to take a punch to the face with a smile. They're going to break the UK to the greatest extent they can, pour encourager les autres. Even as someone whose background is English, who knows people over there who are already broken by this -- I honestly can't say I blame the EU, or that I would do any different were I in its place.
In their way, institutions can be as cold and as mechanical as black holes. We forget that to our peril.