Because of that I don't care when I read in the newspaper that I am colourblind. I went through a red light in my car and I stopped when I before a green light. So I must be really colourblind eh?
The most that one of Jewish faith can do - and some have gladly done it - is to say that Jesus was the greatest in the long succession of Jewish prophets. None can acknowledge that Jesus was the Messiah without becoming a Christian.