Why does Antisemitism exist?

Merciful Servants of God - A podcast by Kennard Levi Brown - Sundays

Yeshua (Jesus) said the following about Himself in the 1st century: "The world cannot hate you; but me it hateth, because I testify of it, that the works thereof are evil." (John 7:7) Why do some people hate Jews considering the fact Yeshua is a Jew?