It's a incredibly interesting subject because it throws alot of traditional ideas out the window and really puts the universe in your hands. It's fascinating too because the idea seeps into popular culture and rears itself in unexpected ways. My favorite use was in the Assassins Creed videogame, where to stop a disaster the ancient aliens were gonna use some thingabob to make every person on the planet think "We are safe" and reality would rewrite itself to make it happen. Consensus and belief in something can be very powerful and when there isn't things start falling apart.

And what you say about outcomes is on the money as well. There's definitely something to the Law of Attraction and similar things. You can't magically turn your car into another by thinking it, but you can nudge the outcome of getting a new one into your favor.