"all the Japanese art I've seen with calligraphy that is unreadable to me" I've heard from an Arabic speaker that that beautiful Arabic calligraphy also suffer

"all the Japanese art I've seen with calligraphy that is unreadable to me" I've heard from an Arabic speaker that that beautiful Arabic calligraphy also suffers from a lot of rearrangement to get the appearance, also making it difficult or impossible to read