Why did Macedonians oppose Alexander the Great’s use of Persian customs?

Macedonians opposed Alexander the Great’s adoption of Persian customs primarily because they perceived these practices as a threat to their own cultural identity and privileged status.1

The friction stemmed from several key areas:

• Court Ceremonial: Alexander attempted to impose the Persian custom of proskynesis (prostration) upon his Macedonian and Greek followers. To the Macedonians, this act—habitual for Persians entering the presence of their king—was viewed as an act of worship that was intolerable to perform before a human being.2
• Cultural and Political Integration: Alexander’s determination to incorporate Persians into his army and provincial administration on equal terms was bitterly resented. Many Macedonians viewed the introduction of Asian troops into the Companion cavalry and the recruitment of native youths into the military as a direct challenge to their own standing.1
• Shift in Leadership Style: Alexander’s use of Persian royal dress and his evolving concept of the empire signaled a move toward absolutism that alienated his traditional Macedonian base. This tension culminated in events like the mutiny at Opis, where Macedonian veterans interpreted his policies as a move to transfer the seat of power to Asia and replace them with Persian subjects.21