Sure, we can give the benefit of the doubt that most were unconscious about it. But the scale of difference in the response rate means that we also can't rule out that there were a minority who rejected him because they are basically racist.

I doubt it's so UNconscious. I know enough people that would straight up filter any muslim out from working with them.

Nothing unconscious with that bias, quite the opposite.

Western name: 100 samples, 87 responses, 54 positive.

Islamic name: 100 samples, 17 responses, 0 positive.

That's not a "good example of unconscious bias". Unless there's something else going on here (one or both of the names used in the experiment had some sort of reputation in the community already, or some other aspects of the CV were changed in the experiment), this is an absolutely stunning result and evidence of very conscious bigotry. This is a Black person applying for a job in 1920s Atlanta kind of result. In 2022 academia!