This happened because Allah is not one to change the favour which He has bestowed upon a people until they have changed their attitude., Surely Allah is All-Hearing, All-Knowing.
"Wancan ne, dõmin lalle ne, Allah bai kasance Mai canza wata ni'ima wadda ya ni'imtar da ita a kan wasu mutãne ba fãce sun sãke abin da yake ga rãyukansu, kuma dõmin lalle Allah ne Mai jĩ, Masani."