So, in answer to your question, the fate of the men who heard the sirens sing was tragic. They became helpless victims to the sirens' allure, unable to resist the temptation of the beautiful melodies.
The story of the sirens served as a cautionary tale about the dangers of temptation and the importance of resisting desires that may lead to one's downfall. It's a reminder that not everything that sounds alluring or irresistible may be in one's best interest.