Well, many different notations are convenient in different contexts. The compiler they target is a bit more flexible than developers', so they are free to just

Well, many different notations are convenient in different contexts. The compiler they target is a bit more flexible than developers', so they are free to just describe what they are doing on page 1. Human languages face the same trade-off: in some word order is very important, in others less so, but they need to compensate with some kind of case labels.