Because Quraish was made to incline.
This should be cherished by Quraish
For the custom of the Koraysh
For the protection of the Qurais
To Koreish's unification/familiarity
For the protection of the tribe of Quraish
Because of giving alliances to the Quraish
Thy Lord destroyed the Owners of the Elephant in order to attach the hearts of the Quraish
To awake drive amongst the Quraysh
(Lord destroyed the People of the Elephants which event proved helpful) for making covenants of the Quraish (with their contemporary kings for trade)
(It is a great Grace and Protection from Allah), for the taming of the Quraish