I've been trying to deconstruct the animation technique used here: Why is the 1% So White? | Decoded | MTV News - YouTube
I feel like the technique involves some combination of track mattes, wiggle, and roughen edges, but I can't quite figure out what's going on...
Any clues as to how to replicate this would be very much appreciated.
If you mean this kind of stuff:
and this kind of stuff:
Then there's a lot of hand drawn animation going on, maybe a little bit of distortion effects and a bunch of layers. NO easy take some text and a couple of shape layers and apply shape animators or effects. Wiggle and some parenting, but mostly just a bunch of hand drawn art on a bunch of layers with distortion and animation.
Such stuff often tends to be 3D animation in disguise using cartoon shaders, but yeah, even then there's a ton of work involved. as Rick already said, there's a million things going on here and the only truth is that it's hours and hours of manual animation, no matter which method was used.