It sounds like you're grappling with a complex historical figure, General Douglas MacArthur, who is often viewed in multiple ways depending on one's perspective.
On one hand, MacArthur is credited with playing a significant role in the Pacific Theater during World War II. He was known for his leadership and strategy, which contributed to the defeat of Japan. His return to the Philippines is often celebrated as a heroic act, and he was instrumental in post-war reconstruction efforts in Japan, helping to establish a democratic government and promote economic recovery.
On the other hand, MacArthur is also criticized for various decisions he made, including his controversial actions during the occupation of Japan, his role in the Korean War, and the way he handled issues related to war crimes. One major point of contention is his decision to grant pardons to certain Japanese leaders and military personnel who were implicated in war crimes, which some view as a betrayal of justice.
Ultimately, whether you see MacArthur as a "good" or "bad" figure may depend on the aspects of his actions and legacy that resonate with you. Some people admire him for his military accomplishments and contributions to rebuilding Japan, while others are troubled by the moral implications of his decisions. Historians often debate these matters, and it's perfectly normal to find differing opinions on complex figures like MacArthur.
To form your own view, consider examining various sources and perspectives on his life, actions, and their impacts. This will give you a more nuanced understanding and help you draw your own conclusions.