So I then tried to do it myself. I spent a while fiddling about with random shapes and deformations and decided I was ready to make a proper animation.
I tried to make it as different as I could from Marie's video as she said to do that, but it didn't end up all that different. I did get to deform a few different shapes, and here is the finished render:
I came up with a simple idea of some random objects falling into some kind of automatic crushing squisher, kind of like a playdough squishing machine.
