How do these conversion numbers compare to changing demographics via immigration? The problem with this view in my eyes is that you can get minority/interest gr

How do these conversion numbers compare to changing demographics via immigration? The problem with this view in my eyes is that you can get minority/interest groups to vote left in a host country by advocating for them, while these same people vote for ethnonationalists in their home country. See: Erdogan polling very well with Turks abroad, Isreal, to name 2.