‘Why there is persistent belief in witchcraft and black magic among Muslims?’
The question is aptly explained by Dr. Shabbir but it raises further question: Despite Quranic insights do Muslim ambitions willing to embody their thoughts with perfect integrity by exemplifying their mind rationally and Quranically? Unfortunately most Muslims would rather die than reflect. And most Muslims do including the kings of Arabia.
If we travel around cities in Pakistan, half of ugly advertisements inscribed on private walls and bridges promote all kinds of super nonsense like, Kale Ilm wale Bengali Baba, Aamil Baba Kali Talwar Waley, Jinnati Karamat Waley Nabeena, and many more. Some also offer online services with money back guarantee if the husband doesn’t return or Jinnat doesn’t vacate the flat within 48 hours.
Look at the ad of Amil baba kala jadu-kala ilm in Karachi.
So much about religious learning!