i have been in a lot of churches, and i have never been in one that didnt know Jesus was a JewThe simple reason of why Yeshua isn't Jewish in Christians is simple........
When Rome sacked Jerusalem, they not only took their gold, but their religion as well, which they then modified to say they were the ones that started it all.
Simple actually. People are greedy and want to make money, so they sell you their particular view of God.