>>99213571. It's not an argument, it's an emotional reaction. Treat it as such.
2. Creed tells us and others, who we worship
3. Jesus was incarnated into the line of David, from the tribe of Judah, so in that sense yes, He was "Jewish"
4. Abraham, the spiritual father of Christians, Jews and Muslims was a gentile.
5. The Church, and the new covenant, is for the gentiles. Prefigured all throughout the OT.