They edited the most important religious document to the Jewish people, the Old Testament, picked out parts they liked and used it as an introduction to give their "New Testament" context, which could be seen as very disrespectful to the Jewish people (or at least rather unapologetic plagiarism).
Bathi eyahlelwa idokhumenti yenkolo ebaluleke kakhulu abantu bamaJuda, iTestamente Elidala, wakhethelwa izingxenye ezikuthandayo futhi wasebenzisa sona yisethulo ukunika "iTestamente Elisha," ingqikithi yabo, okuyinto kungabukeka njengento angabonisi inhlonipho kakhulu abantu bamaJuda (nobe at okungenani umqondo womunye kunalokho unapologetic).