How does this combination of design elements impact
communication?
In many ways. For example, one of the only reasons why we bother listening to the Typographies, is because of how they actually present it. In Kinetic Typographies, the way they present what they're trying to say, is by getting a bunch of words and moving and shuffling them around on screen. And out of curiosity, we will want to watch it more. It's kind of like how we prefer watching informative animations rather then reading it of paper.
Here are a few examples that I found that use this presentation technique -
