I'm sure a handful of examples can be found, but I doubt it's quite as open as the article makes it sound.
As for religion, whether we want it or not, religion of our ancestors has a strong influence on our secular customs and norms. In this case, while being a practicing Muslim was not a requirement, shared identity and religious past definitely helped.
Regarding shielding Jewish refugees in WW2, most countries have examples of heroism, as well as atrocities by the local polulations.