That is not true of unions between humans?I read the same scripture and I find that God said this union produced evil people. There was no hope of correcting them, it was so hopeless that it was best to destroy them. That is not true of unions between humans. They were said to be different, Your statement that they were not different but humans like us is against scripture.
Noah's Flood and Sodom and Gomorrah, it appears that you desire to keep Calvary Chapels Chuck Missler's Nephilim alive, he died roughly 2 Years ago, and his teaching is in the grave also.