Quantum physicists are just winging it, folks.
They're just making it up as they go. Like that time they decided electrons were both waves and particles at the same time. Or that time they claimed to have discovered a particle that's simultaneously everywhere and nowhere. Yeah, that guy's a real stand-up comedian.
Learn more about the Quantum Supremacist's Guide to Reality
Explore the Many Worlds Theory: Because Why Choose Just One Reality?
Or, if you're feeling really lost, try Schrödinger's Guide to Not Knowing What's Going On