But if they’re, say, Pakis, keep in mind that Pakistan is not in the Middle East. It’s on the Indian (South Asian) subcontinent.
So maybe they should actually specify either their country of national origin if known (e.g. Pakistani), or their religious affiliation if known(Muslim.)
In this particular case, this information might not be presently known.
Plus, there are -— God help us -— many, too many, white, ethnically English Muslims in the U.K. And ethnically Greek Muslims, even (for instance, Cat Stevens, birth name Steven Demetre Georgiou, a.k.a. Yusuf Islam.)
well they are certainly not asian