In practice this is simply not the case. Look at my first example in the article. With just a few lines we can set a paragraph to follow the shape of any mathem

In practice this is simply not the case. Look at my first example in the article. With just a few lines we can set a paragraph to follow the shape of any mathematical function. I didn’t have to know anything about TeX macros to do this. In fact I have no idea how to do this with LaTeX or TeX macros, and I don’t think they have nontrivial mathematical functions available. The same holds with the other examples. Almost trivial using Lua scripting (not “macros”), don’t even know where to start with TeX macros.