Macro overuse?

What do you think about overusing the macros internally?
Does it make the code less obvious?
I'm implementing a coding exercise now and caught myself thinking about it, if I should avoid developing such a habit, because I like playing around with macros.

https://preview.redd.it/whhyrbd5vvhd1.png?width=1386&format=png&auto=webp&s=423867e7d2c6a6086623e03809bf7189dbc6fdbb

The code is here:

100-exercises-to-learn-rust/exercises/07\_threads/10\_patch/src/lib.rs at my-solutions · st4s1k/100-exercises-to-learn-rust (github.com)