Wtf are you talking about? Read the article. Islam isn't backwards and there is something in the world beyond reason and logic. Many devout Muslims in the US are themselves doctors.
If you read the article you'd see that political decline of a united empire is one of the largest factors leading to loss of scientific output. Scientific output is expensive, requires stability, etc.
There are people of all stripes and beliefs who think "healing" is something non-scientific. It has nothing to do with religion. Look at the resurgence of crystals, herbal healing, other forms of crockery in the US itself!