Why was the man mentioned in the Hadith of the gathering of angels in circles of knowledge forgiven, even though his intention was not sound, and is this an exception to the rule "Indeed, actions are by intentions"?

The hadith indicates that the most virtuous angels follow gatherings of dhikr (remembrance of Allah). When they find such gatherings, they surround those engaged in dhikr until they fill the space between them and the lowest heaven. Then, they ascend to heaven, and Allah—though He knows best—asks them about His servants. They inform Him that the people were glorifying Him (tasbeeh), praising Him (tahmeed), declaring His oneness (tahleel), proclaiming His greatness (takbeer), asking Him for His Paradise, seeking refuge from His Hellfire, and seeking His forgiveness. Allah then says: "I have forgiven them, granted them what they asked for, and protected them from what they sought refuge from," even including those who came for a need and did not intend to engage in dhikr, because "they are a people whose companion will not be miserable." This hadith demonstrates the virtue of dhikr gatherings, that their companion is included with them in Allah’s favor, that Allah is vast in forgiveness, bestows His mercy upon whom He wills, grants pardon to the wrongdoers for the sake of the righteous, and He knows best about His servants and who deserves forgiveness.