Extreme political division, probably in the form of civil war or dictatorships. Why, because that’s how it already works in areas of the world with serious problems.
Climate change, pollution, health crises - it’s all solvable if most of the population wants to solve it. However humans prefer to kill in order to establish dominance over each other. And that will be the end of us.
Nah, that fine.
What’s really a bummer is if you find out the actress/actor were forced into porn, or were underage at the time