A frequent misinterpretation portrays Ahab's marriage to Jezebel as the sole origin of his evil or as merely a political misstep, ignoring the verse's emphasis that he already viewed Jeroboam's idolatry lightly beforehand; another error is applying it to denounce all interfaith or intercultural marriages universally, without recognizing the specific context of covenant unfaithfulness through adopting Baal worship, or blaming Jezebel exclusively while excusing Ahab's personal agency in serving idols.
I Kings 16:31
King James Version (1769)
31 And it came to pass, as if it had been a light thing for him to walk in the sins of Jeroboam the son of Nebat, that he took to wife Jezebel the daughter of Ethbaal king of the Zidonians, and went and served Baal, and worshipped him.
This passage underscores the escalating wickedness of King Ahab, who treated the longstanding idolatrous sins of Jeroboam as trivial and intensified Israel's apostasy by marrying Jezebel, a Phoenician princess devoted to Baal worship, and actively serving and worshiping this Canaanite deity himself, thereby leading the northern kingdom deeper into paganism and direct violation of Israel's covenant with Yahweh.