But Because no one berfore him try to conquer the world.
I, for example, consider Alexander no better than Hitler.
His politics of unin between "Barbarians" and greeks are in many ways similar to forced germanization inb XIX century, He destroyed many great tresures as the Avesta(impeding Zoroastrism to become a rival of Christianity and Islam, and destroyn century of speritual achivements by persians and iranians).
BUT, he dream to make the world a simgle state, a single Koin