It should; as well anyone who has studied Church history knows that the early Church resided primarily in Greek controlled areas - Greece, Turkey, what is now Syria, and most of the North African coatal areas. The Septuagint, as you have kindly pointed out, agrees with the Dead Sea scrolls. There are a number of instances in the Bible where the word play only works in the Greek; it does not in either Hebrew or Aramaic.
Evangelicals choose to model their understanding of Judaism on 21st century Orthodox Judaism, which split with Temple-era Judaism 21 centuries ago.