A misinterpretation of this passage might suggest that adopting the gods of victorious enemies is a wise, pragmatic strategy for gaining their power or protection, as Ahaz rationalized, but this ignores the explicit outcome that these gods 'were the ruin of him, and of all Israel,' reinforcing the biblical warning against idolatry which never delivers but always brings judgment and further defeat.
II Chronicles 28:23
King James Version (1769)
23 For he sacrificed unto the gods of Damascus, which smote him: and he said, Because the gods of the kings of Syria help them, therefore will I sacrifice to them, that they may help me. But they were the ruin of him, and of all Israel.
The core truth of II Chronicles 28:23 is that turning to false gods for help, rather than relying on the one true God, inevitably leads to ruin and destruction. King Ahaz, defeated by the Syrians, foolishly sacrificed to their gods of Damascus, assuming their power enabled Syrian victories, yet this idolatry only deepened his downfall and brought harm to all Israel, underscoring the impotence of idols and the peril of abandoning Yahweh.