While the overall message of this article is probably true, I couldn't get over the fact that her diagrams are stupid and are almost meaningless, because she is

While the overall message of this article is probably true, I couldn't get over the fact that her diagrams are stupid and are almost meaningless, because she is comparing percent changes. A 1% rise in equipment spending doesn't mean the same as a 1% rise in labor spending. It would've been much smarter to compare the actual changes in dollars. I just can't take an article like this seriously.