The Islamic system does not permit uncontrolled capitalism, requires fair financial transactions, is pro rights for both rulers and the population, enforces Zakat (alms tax / a form of wealth tax).
Neither does Christianity, but you really wouldn't really know that by observing the practices of so called Christian Nations™
That certainly explains the flood of migrants from the West to the Middle East and North Africa.
The middle east has the largest concentration of billionaires outside of US/China and huge poverty alongside. It is so grotesque that the rich will often just kill people and casually pay blood money.