1) Animals can only breed with the same species. You think humans bred with Giants!
2) Apart from a story in an old book about these fallen angel giants they need with... do you have any evidence of them? DNA evidence for example?
3) How did Noah's ancestors not become involved with this breeding?
4) He created the rules, he created the loophole to circumvent his rules. He created the global flood to kill innocent babies. He killed thousands of innocent Egyptian babies. Kind and loving?