I am wondering if author is the one who would use all of those nasty-but-beautiful utf special maths/greek characters which were super-popular a couple of years

I am wondering if author is the one who would use all of those nasty-but-beautiful utf special maths/greek characters which were super-popular a couple of years ago. I don't find Rust's syntax ugly. But then I don't find Modern Art ugly as opposed to what many people think so well...