You don't really want to know everything that's going on. At some point, and over a certain project size, you just have to trust some stuff and use higher abstr

You don't really want to know everything that's going on. At some point, and over a certain project size, you just have to trust some stuff and use higher abstractions when reading/writing code. Macros are one of the tools you have for doing this in an orderly, not-want-to-kill-yourself way. So yeah, they hide stuff, but when you have no choice but to hide stuff they can do it quite well.