I honestly find the concepts far easier than the syntax, and I am used to weird syntax. It's not just the notation though. It's using crappy notation in place

I honestly find the concepts far easier than the syntax, and I am used to weird syntax. It's not just the notation though. It's using crappy notation in place of explanation or as a short-cut. While some notation is "modern" in absolute linear terms, it's really not in any practical sense. The entire premise of most mathematical writing, exposition, and notation, is still that of thousands of years ago: writing takes significant time, writing surfaces are expensive, communication lag is long, and cultural/linguistic barriers between people are significant. That is simply not very true any more. There is no reason we should be writing, teaching, and discussing math as though it was still a thousand years ago. We have computers, we have amazing printing presses, we have relatively cheap material. There should be no reason we're still pulling this "as the reader will clearly see" crap with this massively dense short-cut notation.