According to Webster: antisemitic: 1. having or showing prejudice against Jews; 2. discriminating against or persecuting Jews; 3. of or caused by such prejudice of hostility. Jew: 1. member of the tribe or kingdom of Judah; 2. a person desended, or regarded as descended, from the ancient Hebrews of biblical times; 3. a person whose religion is Judaism.

There is nothing antisemitic about criticising Israel. Criticism is different from discrimination. Besides, Israel has citizens who are practicing Moslems, practicing Christians (of many different sects) and individuals who practice no religion at all. Antisemites historically haven't cared whether or not their targets practiced any religion at all; a significant number of those "Jews" who were murdered by the Nazis were practicing Christians whose crime was having one Jewish grandparent.

I doubt if the article you linked to has any more credibility than others you have shared with us.