From what I remember learning about the guy, Alexander is packaged as a Greek conqueror, spreading Greek culture and language across the Western world. Why is his Macedonian heritage overlooked, for the most part? He was a Macedonian, not a Greek, right? So why is it that he didn't spread Macedonian culture and/or language?
More can always be said, but definitely check out this old answer from /u/iphikrates on Alexander.
Follow up question: why do we remember mycenaeans as Greeks but sumerians for instance as sumerians?